<s>
Dr	B-Application
Kawashima	I-Application
's	I-Application
Brain	I-Application
Training	I-Application
for	I-Application
Nintendo	I-Application
Switch	I-Application
is	O
an	O
edutainment	O
puzzle	O
video	O
game	O
developed	O
by	O
Nintendo	O
and	O
indieszero	O
and	O
published	O
by	O
Nintendo	O
for	O
the	O
Nintendo	B-Application
Switch	I-Application
.	O
</s>
<s>
It	O
is	O
the	O
fifth	O
entry	O
in	O
the	O
Brain	O
Age	O
puzzle	O
video	O
game	O
series	O
,	O
based	O
on	O
the	O
research	O
of	O
neuroscientist	O
Ryuta	O
Kawashima	O
,	O
whose	O
avatar	B-Application
guides	O
the	O
player	O
through	O
the	O
game	O
.	O
</s>
<s>
Dr	B-Application
Kawashima	I-Application
's	I-Application
Brain	I-Application
Training	I-Application
for	I-Application
Nintendo	I-Application
Switch	I-Application
builds	O
upon	O
the	O
previous	O
installments	O
by	O
adding	O
puzzles	O
and	O
mini-games	O
to	O
strengthen	O
the	O
player	O
's	O
memory	O
and	O
concentration	O
skills	O
.	O
</s>
<s>
Puzzles	O
in	O
the	O
game	O
take	O
advantage	O
of	O
some	O
of	O
the	O
Nintendo	B-Application
Switch	I-Application
's	O
functionalities	O
such	O
as	O
the	O
gyroscope	O
and	O
IR	O
sensors	O
.	O
</s>
<s>
The	O
Nintendo	B-Application
Switch	I-Application
console	O
is	O
mostly	O
held	O
vertically	O
during	O
play	O
for	O
easier	O
drawing	O
and	O
tapping	O
on	O
the	O
touchscreen	O
.	O
</s>
<s>
In	O
total	O
,	O
the	O
game	O
contains	O
24	O
unique	O
puzzles	O
,	O
all	O
of	O
which	O
utilize	O
the	O
console	O
's	O
technology	O
such	O
as	O
the	O
IR	O
sensor	O
in	O
the	O
right	O
Joy-Con	B-General_Concept
,	O
the	O
Joy-Con	B-General_Concept
shoulder	O
buttons	O
,	O
and	O
the	O
touchscreen	O
.	O
</s>
<s>
This	O
feature	O
uses	O
Nintendo	B-Application
Switch	I-Application
Online	I-Application
.	O
</s>
<s>
The	O
Nintendo	B-Application
Switch	I-Application
version	O
was	O
developed	O
by	O
most	O
of	O
the	O
original	O
developers	O
of	O
previous	O
Brain	O
Age	O
games	O
,	O
led	O
by	O
producer	O
Kouichi	O
Kawamoto	O
,	O
who	O
directed	O
most	O
of	O
the	O
series	O
.	O
</s>
<s>
The	O
game	O
was	O
announced	O
on	O
the	O
Nintendo	O
Japan	O
YouTube	B-General_Concept
account	O
on	O
September	O
30	O
,	O
2019	O
.	O
</s>
<s>
Many	O
praised	O
the	O
puzzles	O
 '	O
quality	O
and	O
repeatability	O
as	O
well	O
as	O
the	O
game	O
making	O
good	O
use	O
of	O
Nintendo	B-Application
Switch	I-Application
technology	O
.	O
</s>
<s>
Some	O
noted	O
that	O
the	O
game	O
was	O
not	O
suitable	O
for	O
the	O
recently	O
released	O
Nintendo	B-Device
Switch	I-Device
Lite	I-Device
since	O
the	O
system	O
does	O
not	O
have	O
detachable	O
Joy-Con	B-General_Concept
or	O
IR	O
sensors	O
.	O
</s>
