<s>
The	B-Operating_System
Wii	I-Operating_System
U	O
system	O
software	O
is	O
the	O
official	O
firmware	B-Application
version	O
and	O
operating	B-General_Concept
system	I-General_Concept
for	O
Nintendo	B-Operating_System
's	I-Operating_System
Wii	I-Operating_System
U	O
home	B-Device
video	I-Device
game	I-Device
console	I-Device
.	O
</s>
<s>
Nintendo	O
maintains	O
the	B-Operating_System
Wii	I-Operating_System
U	O
's	O
systemwide	O
features	O
and	O
applications	O
by	O
offering	O
system	O
software	O
updates	O
via	O
the	O
Internet	O
.	O
</s>
<s>
The	O
system	O
's	O
official	O
integrated	B-Application
development	I-Application
environment	I-Application
,	O
named	O
MULTI	O
and	O
published	O
by	O
embedded	O
software	O
engineering	O
vendor	O
Green	O
Hills	O
Software	O
,	O
is	O
intended	O
for	O
use	O
by	O
Nintendo	O
and	O
its	O
licensed	O
developers	O
in	O
programming	O
the	B-Operating_System
Wii	I-Operating_System
U	O
.	O
</s>
<s>
Details	O
of	O
the	O
operating	B-General_Concept
system	I-General_Concept
's	O
internal	O
architecture	O
have	O
not	O
been	O
officially	O
publicized	O
.	O
</s>
<s>
The	B-Operating_System
Wii	I-Operating_System
U	O
Menu	O
is	O
the	O
main	O
dashboard	O
of	O
the	O
system	O
,	O
acting	O
as	O
an	O
application	B-Application
organizer	O
and	O
launcher	O
.	O
</s>
<s>
It	O
is	O
a	O
graphical	O
shell	O
similar	O
to	O
the	B-Operating_System
Wii	I-Operating_System
's	O
"	O
Wii	B-Application
Menu	I-Application
"	O
and	O
Nintendo	B-Operating_System
3DS	I-Operating_System
HOME	B-Device
Menu	I-Device
.	O
</s>
<s>
It	O
allows	O
launching	O
software	O
stored	O
on	O
Wii	B-Device
U	I-Device
optical	I-Device
discs	I-Device
,	O
applications	O
installed	O
in	O
the	O
internal	O
memory	O
or	O
an	O
external	O
storage	O
device	O
,	O
or	O
Wii	B-Operating_System
titles	O
through	O
the	O
system	O
's	O
"	O
Wii	B-Operating_System
Mode	O
"	O
.	O
</s>
<s>
The	O
WaraWara	O
Plaza	O
is	O
displayed	O
on	O
the	O
TV	O
screen	O
,	O
while	O
the	B-Operating_System
Wii	I-Operating_System
U	O
GamePad	O
screen	O
displays	O
the	O
application	B-Application
icons	O
available	O
for	O
launch	O
;	O
the	O
two	O
screens	O
 '	O
display	O
roles	O
can	O
be	O
swapped	O
with	O
the	O
press	O
of	O
a	O
button	O
.	O
</s>
<s>
Like	O
the	O
original	O
Wii	B-Operating_System
,	O
discs	O
can	O
also	O
be	O
hot-swapped	O
while	O
in	O
the	O
menu	O
.	O
</s>
<s>
The	B-Operating_System
Wii	I-Operating_System
U	I-Device
Menu	O
may	O
also	O
be	O
used	O
to	O
launch	O
applications	O
entirely	O
beyond	O
just	O
gaming	O
:	O
the	O
Miiverse	B-Application
social	O
network	O
which	O
is	O
integrated	O
with	O
all	O
games	O
and	O
applications	O
;	O
the	O
Internet	B-Application
Browser	I-Application
for	O
the	O
World	O
Wide	O
Web	O
;	O
play	O
media	O
through	O
Netflix	O
,	O
Amazon	B-Application
Video	I-Application
,	O
Hulu	B-Application
,	O
YouTube	B-General_Concept
,	O
and	O
more	O
;	O
download	O
Wii	B-Device
U	I-Device
software	O
and	O
content	O
through	O
the	O
Nintendo	B-Application
eShop	I-Application
;	O
and	O
receive	O
official	O
notifications	O
from	O
Nintendo	O
.	O
</s>
<s>
The	B-Operating_System
Wii	I-Operating_System
U	O
Menu	O
is	O
directly	O
integrated	O
with	O
Miiverse	B-Application
and	O
the	O
Nintendo	B-Application
Network	I-Application
.	O
</s>
<s>
When	O
the	B-Operating_System
Wii	I-Operating_System
U	O
powers	O
on	O
,	O
the	O
television	O
screen	O
shows	O
the	O
WaraWara	O
Plaza	O
in	O
which	O
user	O
status	O
and	O
comments	O
on	O
Miiverse	B-Application
are	O
shown	O
.	O
</s>
<s>
Each	O
user	O
is	O
represented	O
by	O
their	O
respective	O
Mii	O
and	O
was	O
associated	O
with	O
a	O
Miiverse	B-Application
community	O
.	O
</s>
<s>
Since	O
Miiverse	B-Application
is	O
discontinued	O
,	O
the	O
WaraWara	O
Plaza	O
now	O
only	O
shows	O
the	O
built-in	O
tips	O
from	O
Nintendo	O
usually	O
meant	O
for	O
offline	O
users	O
.	O
</s>
<s>
The	O
Home	B-Device
Menu	I-Device
(	O
stylized	O
as	O
HOME	B-Device
Menu	I-Device
)	O
can	O
be	O
accessed	O
during	O
any	O
game	O
or	O
application	B-Application
through	O
the	O
user	O
pressing	O
the	O
Home	O
Button	O
on	O
the	B-Operating_System
Wii	I-Operating_System
U	O
GamePad	O
,	O
Wii	B-Device
U	I-Device
Pro	I-Device
Controller	I-Device
or	O
Wii	B-Device
Remote	I-Device
.	O
</s>
<s>
The	O
Home	B-Device
Menu	I-Device
allows	O
the	O
user	O
to	O
launch	O
certain	O
multitasking	O
applications	O
,	O
such	O
as	O
Miiverse	B-Application
,	O
Nintendo	O
TVii	O
,	O
Nintendo	B-Application
eShop	I-Application
,	O
and	O
the	O
Internet	B-Application
Browser	I-Application
while	O
a	O
game	O
or	O
application	B-Application
is	O
running	O
.	O
</s>
<s>
The	O
Nintendo	B-Application
eShop	I-Application
is	O
Nintendo	O
's	O
online	O
digital	O
distribution	O
service	O
,	O
serving	O
the	B-Operating_System
Wii	I-Operating_System
U	O
,	O
the	O
Nintendo	B-Application
Switch	I-Application
,	O
and	O
the	O
Nintendo	B-Operating_System
3DS	I-Operating_System
handheld	O
console	O
.	O
</s>
<s>
The	O
eShop	B-Application
provides	O
downloadable	O
Wii	B-Device
U	I-Device
software	O
titles	O
(	O
both	O
retail	O
and	O
download	O
only	O
)	O
,	O
Wii	B-Operating_System
games	O
,	O
Virtual	B-Application
Console	I-Application
games	O
,	O
trial	O
versions	O
(	O
demos	O
)	O
,	O
and	O
various	O
applications	O
.	O
</s>
<s>
It	O
also	O
allows	O
users	O
to	O
purchase	O
downloadable	B-Protocol
content	I-Protocol
(	O
DLC	B-Protocol
)	O
and	O
automatically	O
download	O
patches	O
for	O
both	O
physical	O
and	O
downloadable	O
games	O
.	O
</s>
<s>
All	O
content	O
obtained	O
from	O
the	O
Nintendo	B-Application
eShop	I-Application
is	O
attached	O
to	O
a	O
Nintendo	B-General_Concept
Network	I-General_Concept
ID	I-General_Concept
but	O
can	O
only	O
be	O
used	O
in	O
one	O
system	O
.	O
</s>
<s>
The	B-Operating_System
Wii	I-Operating_System
U	O
allows	O
background	O
downloading	O
via	O
SpotPass	B-Device
,	O
either	O
while	O
playing	O
a	O
game	O
or	O
application	B-Application
or	O
in	O
sleep	O
mode	O
.	O
</s>
<s>
Up	O
to	O
ten	O
downloads	O
can	O
be	O
queued	O
at	O
a	O
time	O
and	O
their	O
status	O
can	O
be	O
checked	O
on	O
the	O
Download	O
Manager	O
application	B-Application
.	O
</s>
<s>
A	O
pop-up	O
notification	O
will	O
appear	O
on	O
the	O
Home	B-Device
Menu	I-Device
section	O
to	O
notify	O
the	O
user	O
that	O
a	O
download	O
is	O
finished	O
.	O
</s>
<s>
Unlike	O
past	O
Nintendo	O
digital	O
stores	O
,	O
such	O
as	O
the	B-Operating_System
Wii	I-Operating_System
Shop	O
Channel	O
and	O
the	O
Nintendo	B-Device
DSi	I-Device
Shop	O
which	O
used	O
Nintendo	B-Application
Points	I-Application
as	O
its	O
currency	O
,	O
the	O
Nintendo	B-Application
eShop	I-Application
uses	O
the	O
user	O
's	O
local	O
currency	O
using	O
a	O
digital	O
wallet	O
system	O
whereby	O
funds	O
are	O
added	O
to	O
and	O
debited	O
from	O
the	O
wallet	O
.	O
</s>
<s>
The	O
user	O
can	O
add	O
funds	O
to	O
their	O
wallet	O
in	O
a	O
number	O
of	O
ways	O
either	O
by	O
credit	O
or	O
debit	O
card	O
or	O
by	O
purchasing	O
Nintendo	B-Application
eShop	I-Application
cards	O
.	O
</s>
<s>
It	O
is	O
also	O
possible	O
to	O
purchase	O
download	O
codes	O
from	O
select	O
retailers	O
and	O
later	O
redeem	O
the	O
on	O
the	O
eShop	B-Application
.	O
</s>
<s>
On	O
July	O
22	O
,	O
2014	O
,	O
the	O
Japanese	O
Nintendo	B-Application
eShop	I-Application
was	O
updated	O
to	O
support	O
digital	O
money	O
cards	O
to	O
add	O
funds	O
to	O
the	O
user	O
account	O
's	O
digital	O
wallet	O
via	O
near	O
field	O
communication	O
(	O
NFC	O
)	O
on	O
the	B-Operating_System
Wii	I-Operating_System
U	O
GamePad	O
.	O
</s>
<s>
The	O
Nintendo	B-Application
eShop	I-Application
supports	O
user	O
software	O
reviews	O
.	O
</s>
<s>
The	O
ability	O
to	O
purchase	O
content	O
through	O
the	O
Nintendo	B-Application
eShop	I-Application
was	O
discontinued	O
on	O
March	O
27	O
,	O
2023	O
.	O
</s>
<s>
Miiverse	B-Application
(	O
portmanteau	O
of	O
"	O
Mii	O
"	O
and	O
"	O
Universe	O
"	O
)	O
was	O
an	O
integrated	O
social	O
networking	O
service	O
,	O
which	O
allowed	O
players	O
to	O
interact	O
and	O
share	O
their	O
experiences	O
through	O
their	O
own	O
Mii	O
characters	O
.	O
</s>
<s>
Miiverse	B-Application
allowed	O
users	O
to	O
seamlessly	O
share	O
accomplishments	O
,	O
comments	O
hand	O
written	O
and	O
game	O
screenshots	O
notes	O
with	O
other	O
users	O
.	O
</s>
<s>
Select	O
games	O
were	O
integrated	O
with	O
Miiverse	B-Application
,	O
where	O
social	O
interactions	O
could	O
also	O
occur	O
within	O
the	O
game	O
.	O
</s>
<s>
Miiverse	B-Application
was	O
moderated	O
through	O
software	O
filtering	O
as	O
well	O
as	O
a	O
human	O
resource	O
team	O
in	O
order	O
to	O
ensure	O
that	O
the	O
content	O
shared	O
by	O
users	O
was	O
appropriate	O
and	O
that	O
no	O
spoilers	O
were	O
shared	O
.	O
</s>
<s>
In	O
order	O
to	O
facilitate	O
this	O
,	O
it	O
was	O
stated	O
that	O
comments	O
posted	O
could	O
take	O
up	O
to	O
30	O
minutes	O
to	O
appear	O
on	O
Miiverse	B-Application
.	O
</s>
<s>
On	O
April	O
25	O
,	O
2013	O
,	O
Miiverse	B-Application
also	O
became	O
available	O
on	O
web	B-Application
browsers	I-Application
for	O
internet-enabled	O
smartphone	B-Application
,	O
tablet	B-Device
and	O
PC	B-Device
devices	O
.	O
</s>
<s>
It	O
later	O
became	O
available	O
for	O
the	O
Nintendo	B-Operating_System
3DS	I-Operating_System
in	O
December	O
2013	O
.	O
</s>
<s>
It	O
was	O
discontinued	O
on	O
November	O
8	O
,	O
2017	O
,	O
along	O
with	O
Wii	B-Device
U	I-Device
Chat	O
.	O
</s>
<s>
Internet	B-Application
Browser	I-Application
allows	O
users	O
to	O
browse	O
the	O
web	O
on	O
the	B-Operating_System
Wii	I-Operating_System
U	O
GamePad	O
and/or	O
the	O
television	O
screen	O
.	O
</s>
<s>
It	O
functions	O
as	O
a	O
multitasking	O
application	B-Application
on	O
the	B-Operating_System
Wii	I-Operating_System
U	O
,	O
so	O
it	O
can	O
be	O
used	O
while	O
another	O
game	O
or	O
application	B-Application
is	O
suspended	O
in	O
the	O
background	O
.	O
</s>
<s>
The	O
browser	B-Application
is	O
primarily	O
controlled	O
using	O
the	B-Operating_System
Wii	I-Operating_System
U	O
GamePad	O
's	O
touchscreen	O
,	O
or	O
with	O
the	O
analog	B-Device
stick	I-Device
to	O
scroll	O
through	O
web	O
pages	O
and	O
the	O
D-pad	O
to	O
cycle	O
through	O
links	O
on	O
the	O
page	O
,	O
similar	O
to	O
using	O
a	O
keyboard	O
.	O
</s>
<s>
It	O
can	O
play	O
HTML	B-Application
5	I-Application
video	O
and	O
audio	O
in	O
websites	O
such	O
as	O
YouTube	B-General_Concept
and	O
various	O
other	O
social	O
media	O
.	O
</s>
<s>
The	O
user	O
can	O
choose	O
to	O
hide	O
the	O
browser	B-Application
's	O
view	O
on	O
the	O
TV	O
screen	O
for	O
privacy	O
,	O
which	O
contains	O
presentation	O
effects	O
such	O
as	O
the	O
opening	O
of	O
stage	O
curtains	O
.	O
</s>
<s>
The	O
user	O
can	O
also	O
choose	O
between	O
the	B-Application
Google	I-Application
and	O
Yahoo	B-Application
!	I-Application
</s>
<s>
The	O
browser	B-Application
supports	O
up	O
to	O
six	O
tabs	O
simultaneously	O
.	O
</s>
<s>
Up	O
to	O
32	O
pages	O
can	O
be	O
stored	O
into	O
the	O
browser	B-Application
's	O
history	O
before	O
the	O
older	O
items	O
start	O
being	O
replaced	O
.	O
</s>
<s>
Nintendo	O
TVii	O
was	O
a	O
free	O
television-based	O
service	O
which	O
allowed	O
users	O
to	O
find	O
programs	O
on	O
Netflix	O
,	O
Hulu	B-Application
Plus	O
,	O
Amazon	B-Application
Video	I-Application
,	O
and	O
on	O
their	O
cable	O
network	O
.	O
</s>
<s>
Nintendo	O
TVii	O
also	O
allowed	O
users	O
to	O
control	O
their	O
TiVo	B-Application
DVR	B-Application
through	O
the	B-Operating_System
Wii	I-Operating_System
U	O
.	O
</s>
<s>
Users	O
were	O
then	O
able	O
to	O
select	O
the	O
source	O
of	O
the	O
program	O
they	O
wanted	O
to	O
watch	O
and	O
watch	O
it	O
on	O
their	O
television	O
or	O
on	O
the	B-Operating_System
Wii	I-Operating_System
U	O
GamePad	O
.	O
</s>
<s>
Users	O
could	O
then	O
interact	O
with	O
friends	O
and	O
the	O
community	O
by	O
sharing	O
and	O
commenting	O
on	O
reactions	O
to	O
live	O
moments	O
on	O
the	O
current	O
show	O
,	O
on	O
social	O
networks	O
such	O
as	O
Miiverse	B-Application
,	O
Facebook	B-Application
,	O
and	O
Twitter	B-Application
,	O
through	O
the	O
GamePad	O
while	O
the	O
show	O
played	O
on	O
the	O
television	O
screen	O
.	O
</s>
<s>
Nintendo	O
TVii	O
was	O
made	O
available	O
with	O
the	B-Operating_System
Wii	I-Operating_System
U	O
's	O
release	O
in	O
Japan	O
on	O
December	O
8	O
,	O
2012	O
.	O
</s>
<s>
It	O
was	O
discontinued	O
in	O
the	O
US	O
on	O
August	O
11	O
,	O
2015	O
and	O
Japan	O
on	O
November	O
8	O
,	O
2017	O
,	O
along	O
with	O
Miiverse	B-Application
and	O
Wii	B-Device
U	I-Device
Chat	O
.	O
</s>
<s>
Nintendo	O
worked	O
with	O
YouTube	B-General_Concept
,	O
LoveFilm	O
(	O
United	O
Kingdom	O
and	O
Ireland	O
only	O
)	O
,	O
Nico	O
Nico	O
Douga	O
and	O
YNN	O
!	O
</s>
<s>
(	O
Japan	O
only	O
)	O
to	O
bring	O
streaming	O
movie	O
and	O
television	O
content	O
to	O
the	B-Operating_System
Wii	I-Operating_System
U	O
.	O
Nintendo	O
had	O
initially	O
delayed	O
the	O
deployment	O
of	O
some	O
media	O
capabilities	O
for	O
the	B-Operating_System
Wii	I-Operating_System
U	O
as	O
it	O
delayed	O
its	O
online	O
infrastructure	O
.	O
</s>
<s>
Late	O
in	O
the	O
launch	O
day	O
,	O
a	O
firmware	B-Application
update	O
deployed	O
the	O
Netflix	O
app	B-Application
.	O
</s>
<s>
Then	O
,	O
access	O
to	O
the	O
Hulu	B-Application
Plus	O
,	O
Amazon	B-Application
Video	I-Application
,	O
and	O
YouTube	B-General_Concept
apps	I-General_Concept
gradually	O
became	O
active	O
later	O
in	O
the	O
launch	O
week	O
.	O
</s>
<s>
On	O
December	O
25	O
,	O
2014	O
,	O
and	O
without	O
prior	O
notice	O
,	O
Crunchyroll	O
launched	O
their	O
eponymous	O
app	B-Application
for	O
the	O
North	O
American	O
Wii	B-Device
U	I-Device
eShop	B-Application
,	O
and	O
was	O
later	O
released	O
for	O
PAL	O
systems	O
by	O
January	O
8	O
,	O
2015	O
.	O
</s>
<s>
Initially	O
,	O
despite	O
being	O
free	O
to	O
download	O
,	O
the	O
content	O
on	O
the	O
Crunchyroll	O
app	B-Application
was	O
only	O
accessible	O
to	O
Premium	O
account	O
users	O
,	O
but	O
this	O
has	O
since	O
been	O
fixed	O
to	O
allow	O
access	O
of	O
all	O
Crunchyroll	O
members	O
.	O
</s>
<s>
After	O
a	O
long	O
delay	O
and	O
without	O
prior	O
notice	O
,	O
as	O
of	O
May	O
28	O
,	O
2015	O
,	O
users	O
with	O
access	O
to	O
the	O
Nintendo	B-Application
eShop	I-Application
for	O
the	O
United	O
Kingdom	O
can	O
download	O
the	O
BBC	B-Application
iPlayer	I-Application
app	B-Application
.	O
</s>
<s>
On	O
December	O
17	O
,	O
2015	O
,	O
also	O
without	O
prior	O
notice	O
,	O
the	O
music	O
streaming	O
app	B-Application
Napster	O
was	O
released	O
on	O
the	B-Operating_System
Wii	I-Operating_System
U	O
for	O
eligible	O
European	O
countries	O
,	O
and	O
the	O
app	B-Application
was	O
later	O
released	O
in	O
the	O
United	O
States	O
on	O
March	O
11	O
,	O
2016	O
,	O
under	O
the	O
Rhapsody	O
name	O
.	O
</s>
<s>
Wii	B-Device
U	I-Device
Chat	O
was	O
Nintendo	O
's	O
online	O
video	B-Application
chat	I-Application
solution	O
,	O
powered	O
by	O
the	O
Nintendo	B-Application
Network	I-Application
.	O
</s>
<s>
The	O
service	O
allows	O
the	O
users	O
to	O
use	O
the	B-Operating_System
Wii	I-Operating_System
U	O
GamePad	O
's	O
front-facing	O
camera	O
to	O
video	B-Application
chat	I-Application
with	O
registered	O
friends	O
.	O
</s>
<s>
While	O
video	O
chatting	O
,	O
only	O
the	B-Operating_System
Wii	I-Operating_System
U	O
GamePad	O
is	O
essentially	O
needed	O
,	O
since	O
the	O
application	B-Application
is	O
compatible	O
with	O
Off-TV	B-Device
Play	I-Device
.	O
</s>
<s>
Users	O
could	O
draw	O
pictures	O
on	O
the	O
GamePad	O
,	O
on	O
top	O
of	O
the	O
video	B-Application
chat	I-Application
display	O
.	O
</s>
<s>
If	O
there	O
is	O
a	O
game	O
or	O
another	O
application	B-Application
already	O
running	O
,	O
the	O
GamePad	O
's	O
HOME	O
button	O
ring	O
will	O
flash	O
indicating	O
that	O
there	O
is	O
an	O
incoming	O
call	O
.	O
</s>
<s>
It	O
is	O
no	O
longer	O
available	O
from	O
November	O
7	O
,	O
2017	O
,	O
along	O
with	O
Miiverse	B-Application
and	O
TVii	O
.	O
</s>
<s>
Wii	B-Operating_System
Street	O
U	O
was	O
a	O
built-in	O
map	O
application	B-Application
developed	O
by	O
Nintendo	O
and	O
Google	B-Application
for	O
the	B-Operating_System
Wii	I-Operating_System
U	O
.	O
</s>
<s>
During	O
a	O
Nintendo	O
Direct	O
,	O
Satoru	O
Iwata	O
revealed	O
that	O
Google	B-Application
Maps	O
would	O
be	O
integrated	O
with	O
the	O
panorama	O
feature	O
of	O
the	B-Operating_System
Wii	I-Operating_System
U	O
.	O
</s>
<s>
The	O
player	O
could	O
choose	O
any	O
place	O
from	O
around	O
the	O
globe	O
to	O
look	O
at	O
,	O
use	O
the	O
street	O
view	O
feature	O
and	O
can	O
use	O
the	B-Operating_System
Wii	I-Operating_System
U	O
GamePad	O
.	O
</s>
<s>
This	O
application	B-Application
was	O
available	O
on	O
Wii	B-Device
U	I-Device
eShop	B-Application
as	O
a	O
free	O
download	O
until	O
October	O
31	O
,	O
2013	O
,	O
after	O
which	O
it	O
became	O
a	O
paid	O
app	B-Application
.	O
</s>
<s>
Nintendo	O
discontinued	O
the	O
app	B-Application
on	O
March	O
31	O
,	O
2016	O
.	O
</s>
<s>
Wii	B-Operating_System
Karaoke	O
U	O
is	O
a	O
built-in	O
karaoke	O
app	B-Application
developed	O
by	O
Nintendo	O
and	O
Joysound	B-Application
for	O
the	B-Operating_System
Wii	I-Operating_System
U	O
.	O
</s>
<s>
It	O
licenses	O
the	O
Joysound	B-Application
online	O
song	O
library	O
from	O
Japanese	O
karaoke	O
service	O
provider	O
Xing	O
.	O
</s>
<s>
The	O
app	B-Application
can	O
use	O
both	O
the	B-Operating_System
Wii	I-Operating_System
U	O
GamePad	O
's	O
microphone	O
and	O
any	O
universal	O
USB	O
microphone	O
connected	O
to	O
the	B-Operating_System
Wii	I-Operating_System
U	O
console	O
.	O
</s>
<s>
The	O
app	B-Application
requires	O
an	O
Internet	O
connection	O
for	O
players	O
to	O
access	O
new	O
songs	O
to	O
download	O
.	O
</s>
<s>
Buying	O
tickets	O
for	O
songs	O
from	O
the	O
Nintendo	B-Application
eShop	I-Application
,	O
players	O
rent	O
the	O
songs	O
they	O
want	O
to	O
sing	O
for	O
a	O
limited	O
period	O
(	O
from	O
24	O
hours	O
to	O
up	O
to	O
90	O
days	O
)	O
from	O
Joysounds	B-Application
's	O
song	O
library	O
.	O
</s>
<s>
Players	O
are	O
also	O
able	O
to	O
adjust	O
options	O
such	O
as	O
echo	O
,	O
key	O
and	O
speed	O
of	O
the	O
song	O
,	O
and	O
other	O
players	O
can	O
use	O
their	O
Wii	B-Device
Remotes	I-Device
to	O
accompany	O
the	O
singer	O
by	O
playing	O
instruments	O
such	O
as	O
cymbals	O
and	O
maracas	O
.	O
</s>
<s>
It	O
was	O
released	O
as	O
a	O
free	O
app	B-Application
,	O
titled	O
Wii	B-Operating_System
Karaoke	O
U	O
by	O
Joysound	B-Application
,	O
on	O
the	O
Nintendo	B-Application
eShop	I-Application
in	O
Europe	O
,	O
on	O
October	O
4	O
,	O
2013	O
.	O
</s>
<s>
Wii	B-Operating_System
Mode	O
is	O
a	O
fully	O
virtualized	O
Wii	B-Operating_System
system	I-Operating_System
,	O
relaunching	O
the	B-Operating_System
Wii	I-Operating_System
U	O
to	O
entirely	O
become	O
exactly	O
like	O
a	O
Wii	B-Operating_System
until	O
it	O
is	O
relaunched	O
into	O
native	O
mode	O
.	O
</s>
<s>
When	O
a	O
Wii	B-Operating_System
game	O
disc	O
is	O
inserted	O
into	O
the	B-Operating_System
Wii	I-Operating_System
U	O
,	O
an	O
appropriate	O
launchable	O
icon	O
appears	O
on	O
the	B-Operating_System
Wii	I-Operating_System
U	O
Menu	O
.	O
</s>
<s>
Alternatively	O
,	O
the	B-Operating_System
Wii	I-Operating_System
U	O
may	O
be	O
powered	O
on	O
while	O
holding	O
the	O
B	O
button	O
.	O
</s>
<s>
As	O
with	O
a	O
native	O
Wii	B-Operating_System
system	I-Operating_System
,	O
the	B-Operating_System
Wii	I-Operating_System
Mode	O
's	O
internal	O
storage	O
memory	O
is	O
limited	O
to	O
512	O
MB	O
,	O
and	O
the	O
SD	O
Card	O
Menu	O
can	O
utilize	O
a	O
card	O
up	O
to	O
32	O
GB	O
in	O
size	O
.	O
</s>
<s>
There	O
are	O
a	O
few	O
slight	O
differences	O
between	O
the	B-Operating_System
Wii	I-Operating_System
U	O
's	O
Wii	B-Operating_System
Mode	O
and	O
a	O
native	O
Wii	B-Operating_System
system	I-Operating_System
.	O
</s>
<s>
The	O
data	O
management	O
settings	O
are	O
accessible	O
,	O
but	O
the	B-Operating_System
Wii	I-Operating_System
System	O
Settings	O
are	O
not	O
.	O
</s>
<s>
The	B-Operating_System
Wii	I-Operating_System
Shop	O
Channel	O
is	O
fully	O
available	O
for	O
the	O
purchase	O
of	O
Wii	B-Operating_System
software	O
;	O
however	O
,	O
its	O
Netflix	O
,	O
Hulu	B-Application
Plus	O
,	O
and	O
YouTube	B-General_Concept
applications	O
cannot	O
be	O
used	O
.	O
</s>
<s>
The	O
system	O
must	O
be	O
relaunched	O
into	O
Wii	B-Device
U	I-Device
mode	O
,	O
in	O
order	O
to	O
utilize	O
the	O
native	O
versions	O
of	O
these	O
applications	O
.	O
</s>
<s>
In	O
addition	O
to	O
running	O
one	O
primary	O
game	O
or	O
application	B-Application
,	O
the	B-Operating_System
Wii	I-Operating_System
U	O
is	O
capable	O
of	O
simultaneously	O
opening	O
select	O
system	O
applications	O
.	O
</s>
<s>
Once	O
a	O
primary	O
application	B-Application
has	O
been	O
launched	O
from	O
the	B-Operating_System
Wii	I-Operating_System
U	O
Menu	O
,	O
the	O
user	O
can	O
then	O
push	O
the	O
HOME	O
button	O
to	O
temporarily	O
suspend	O
that	O
application	B-Application
.	O
</s>
<s>
One	O
of	O
the	O
following	O
applications	O
may	O
then	O
be	O
launched	O
,	O
and	O
may	O
possibly	O
interoperate	O
with	O
the	O
primary	O
application	B-Application
,	O
such	O
as	O
screenshots	O
and	O
game	O
scores	O
.	O
</s>
<s>
The	B-Operating_System
Wii	I-Operating_System
U	O
launched	O
with	O
its	O
system	O
software	O
at	O
either	O
version	O
1.0.1	O
or	O
1.0.2	O
.	O
</s>
<s>
An	O
update	O
released	O
on	O
the	O
same	O
day	O
added	O
a	O
web	B-Application
browser	I-Application
,	O
Miiverse	B-Application
,	O
a	O
method	O
of	O
transferring	O
data	O
from	O
a	O
Wii	B-Operating_System
,	O
and	O
a	O
sandboxed	O
way	O
for	O
owners	O
to	O
play	O
Wii	B-Operating_System
games	O
,	O
but	O
not	O
GameCube	B-Application
games	O
although	O
you	O
can	O
play	O
GameCube	B-Application
games	O
using	O
Homebrew	B-Application
.	O
</s>
<s>
Version	O
4.0	O
released	O
on	O
September	O
30	O
,	O
2013	O
added	O
further	O
features	O
such	O
as	O
the	O
ability	O
to	O
plug	O
a	O
headset	O
directly	O
into	O
the	O
GamePad	O
for	O
Wii	B-Device
U	I-Device
Chat	O
,	O
the	O
ability	O
to	O
take	O
screenshots	O
and	O
upload	O
them	O
through	O
the	O
web	B-Application
browser	I-Application
during	O
gameplay	O
,	O
and	O
support	O
for	O
USB	O
keyboards	O
and	O
surround	O
sound	O
for	O
Wii	B-Operating_System
games	O
.	O
</s>
<s>
On	O
June	O
2	O
,	O
2014	O
,	O
another	O
major	O
update	O
with	O
version	O
number	O
5.0	O
was	O
released	O
,	O
with	O
added	O
abilities	O
to	O
display	O
a	O
Quick	O
Start	O
Menu	O
and	O
Wii	B-Device
U	I-Device
GamePad	I-Device
Alerts	O
in	O
addition	O
to	O
other	O
changes	O
.	O
</s>
<s>
The	O
version	O
that	O
immediately	O
followed	O
(	O
5.1.0	O
)	O
added	O
the	O
support	O
for	O
Wii	B-Device
U	I-Device
to	O
Wii	B-Device
U	I-Device
System	O
Transfer	O
.	O
</s>
