Most (but not all) of the games on the cartridge support English.
On the cartridge you will find these titles:
SNK Vs. Capcom Card Fighters' Clash
Big Bang Pro Wrestling
Biomotor Unitron
Rockman (Mega Man) Battle & Fighters (Japanese ONLY)
Puzzle Link 2
Ganbare Neo Poke-kun (Japanese ONLY)
The King of Fighters Battle DE Paradise (Japanese ONLY)
Baseball Stars Color
Pocket Tennis Color
Neo Geo Cup '98 Plus