<s>
Hey	B-Device
You	I-Device
,	I-Device
Pikachu	I-Device
!	I-Device
</s>
<s>
is	O
a	O
virtual	O
pet	O
Pokémon	O
spin-off	O
video	O
game	O
for	O
the	O
Nintendo	B-Operating_System
64	I-Operating_System
developed	O
by	O
Ambrella	O
and	O
published	O
by	O
Nintendo	O
.	O
</s>
<s>
The	O
game	O
is	O
set	O
in	O
the	O
Kanto	O
region	O
between	O
Pewter	O
City	O
and	O
Viridian	O
City	O
,	O
where	O
the	O
player	O
is	O
introduced	O
to	O
a	O
wild	O
Pikachu	B-Application
.	O
</s>
<s>
The	O
player	O
is	O
able	O
to	O
communicate	O
with	O
a	O
256-word	O
database	O
through	O
the	O
Voice	O
Recognition	O
Unit	O
(	O
VRU	O
)	O
,	O
a	O
Nintendo	B-Operating_System
64	I-Operating_System
hardware	O
accessory	O
that	O
,	O
when	O
paired	O
with	O
a	O
microphone	O
,	O
can	O
comprehend	O
and	O
analyze	O
human	O
speech	O
.	O
</s>
<s>
Along	O
with	O
speaking	O
with	O
Pikachu	B-Application
,	O
the	O
VRU	O
allows	O
the	O
player	O
to	O
move	O
around	O
and	O
gather	O
items	O
.	O
</s>
<s>
Hey	B-Device
You	I-Device
,	I-Device
Pikachu	I-Device
!	I-Device
</s>
<s>
64	O
,	O
the	O
Japan-exclusive	O
N64	B-Operating_System
port	O
of	O
Densha	O
de	O
Go	O
!	O
</s>
<s>
Though	O
no	O
direct	O
sequels	O
have	O
been	O
made	O
,	O
the	O
virtual	O
pet	O
game	O
Pokémon	B-Application
Channel	I-Application
,	O
first	O
released	O
for	O
the	O
GameCube	B-Application
in	O
2003	O
,	O
resembles	O
Hey	B-Device
You	I-Device
,	I-Device
Pikachu	I-Device
!	I-Device
</s>
<s>
The	O
player	O
then	O
meets	O
a	O
wild	O
Pikachu	B-Application
and	O
befriends	O
it	O
.	O
</s>
<s>
Once	O
the	O
player	O
earns	O
Pikachu	B-Application
's	O
trust	O
,	O
it	O
will	O
come	O
and	O
live	O
in	O
the	O
player	O
's	O
house	O
.	O
</s>
<s>
There	O
are	O
three	O
different	O
activity	O
days	O
:	O
Pikachu	B-Application
's	O
Daring	O
Days	O
,	O
Discovery	O
Days	O
,	O
and	O
Play	O
Days	O
.	O
</s>
<s>
After	O
365	O
gameplay	O
days	O
,	O
Professor	O
Oak	O
notifies	O
the	O
player	O
that	O
Pikachu	B-Application
,	O
still	O
a	O
wild	O
Pokémon	O
,	O
must	O
be	O
released	O
.	O
</s>
<s>
The	O
player	O
ventures	O
to	O
the	O
woods	O
to	O
find	O
Pikachu	B-Application
and	O
repeatedly	O
says	O
"	O
goodbye	O
"	O
,	O
upon	O
which	O
Pikachu	B-Application
realizes	O
it	O
must	O
return	O
to	O
the	O
wild	O
.	O
</s>
<s>
After	O
the	O
credits	O
,	O
while	O
the	O
player	O
looks	O
around	O
the	O
front	O
yard	O
and	O
reminisces	O
,	O
Pikachu	B-Application
returns	O
,	O
and	O
the	O
game	O
continues	O
as	O
if	O
Pikachu	B-Application
was	O
never	O
released	O
.	O
</s>
<s>
Hey	B-Device
You	I-Device
,	I-Device
Pikachu	I-Device
!	I-Device
</s>
<s>
received	O
"	O
mixed	O
"	O
reviews	O
according	O
to	O
the	O
review	B-Application
aggregation	I-Application
website	O
Metacritic	O
.	O
</s>
<s>
GamePro	O
stated	O
,	O
"	O
If	O
you	O
're	O
a	O
little	O
kid	O
or	O
a	O
big	O
kid	O
with	O
a	O
little	O
kid	O
's	O
love	O
for	O
Pokémon	O
,	O
Hey	O
,	O
You	O
,	O
Pikachu	B-Application
is	O
calling	O
for	O
you.	O
"	O
</s>
<s>
The	O
game	O
was	O
a	O
runner-up	O
for	O
the	O
"	O
Console	O
Family	O
Game	O
of	O
the	O
Year	O
"	O
award	O
at	O
the	O
Academy	O
of	O
Interactive	O
Arts	O
&	O
Sciences	O
 '	O
Fourth	O
Interactive	O
Achievement	O
Awards	O
,	O
which	O
went	O
to	O
Mario	B-Application
Tennis	I-Application
.	O
</s>
<s>
A	O
spiritual	O
sequel	O
to	O
Hey	O
You	O
,	O
Pikachu	O
!,	O
Pokémon	B-Application
Channel	I-Application
,	O
was	O
first	O
released	O
on	O
the	O
GameCube	B-Application
in	O
2003	O
and	O
was	O
also	O
developed	O
by	O
Ambrella	O
.	O
</s>
<s>
Another	O
spiritual	O
sequel	O
,	O
PokéPark	B-Application
Wii	I-Application
:	I-Application
Pikachu	I-Application
's	I-Application
Adventure	I-Application
,	O
was	O
first	O
released	O
on	O
the	B-Operating_System
Wii	I-Operating_System
in	O
2009	O
,	O
which	O
in	O
turn	O
had	O
its	O
direct	O
sequel	O
,	O
PokéPark	B-Application
2	I-Application
:	I-Application
Wonders	I-Application
Beyond	I-Application
,	O
first	O
released	O
in	O
2011	O
.	O
</s>
