<s>
The	O
Leapster	B-Application
Explorer	I-Application
is	O
a	O
handheld	B-Application
console	I-Application
developed	O
and	O
marketed	O
by	O
LeapFrog	O
Enterprises	O
as	O
the	O
third	O
generation	O
of	O
the	O
successful	O
Leapster	B-Application
series	I-Application
at	O
the	O
same	O
time	O
as	O
the	O
Didj2	O
console	O
.	O
</s>
<s>
Unlike	O
previous	O
systems	O
in	O
the	O
Leapster	B-Application
series	I-Application
,	O
the	O
Explorer	O
is	O
not	O
compatible	O
with	O
Leapster/L	O
-MAX	O
cartridges	B-Protocol
,	O
but	O
it	O
can	O
run	O
Didj	B-Application
cartridges	B-Protocol
.	O
</s>
<s>
The	O
Leapster	B-Application
Explorer	I-Application
is	O
a	O
Linux	B-Application
device	O
powered	O
by	O
an	O
ARM9-based	O
processor	O
clocked	O
at	O
393MHz	O
with	O
64MB	O
DDR	O
SDRAM	O
,	O
512	O
MB	O
user	O
storage	O
,	O
and	O
a	O
Giantplus	O
touchscreen	O
display	O
.	O
</s>
<s>
Like	O
the	O
Didj	B-Application
and	O
unlike	O
the	O
Leapster2	B-Application
,	O
the	O
console	O
has	O
also	O
been	O
a	O
subject	O
to	O
user	O
modification	O
as	O
it	O
runs	O
on	O
an	O
embedded	B-Application
Linux	I-Application
kernel	O
.	O
</s>
