<s>
Droopy	B-Device
's	I-Device
Tennis	I-Device
Open	I-Device
is	O
a	O
tennis	B-Device
video	O
game	O
developed	O
by	O
Bit	O
Managers	O
and	O
published	O
by	O
LSP	O
for	O
the	O
Game	B-Device
Boy	I-Device
Advance	I-Device
.	O
</s>
<s>
Similarly	O
to	O
other	O
tennis-based	O
videogames	O
,	O
like	O
Mario	O
Tennis	B-Device
,	O
the	O
basic	O
gameplay	O
consists	O
of	O
traditional	O
tennis	B-Device
matches	O
.	O
</s>
<s>
The	O
game	O
's	O
multiplayer	O
allows	O
for	O
up	O
to	O
four	O
players	O
,	O
via	O
the	O
Link	B-Device
Cable	I-Device
accessory	O
and	O
multi-card	O
support	O
.	O
</s>
