The complete list:

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These games can all be played with a gamepad controller on your Android device! The list is hand-curated, and always kept up-to-date and accurate. If you know of a game which should be on this list, please visit the Submit a Game link!
DotEmu
Adventure
- Xperia PLAY
- MOGA gamepad
- Zeemote
Bit Power Studios LLC
Puzzle
- Xperia PLAY
- Zeemote
mSeed Games
Action
- Xbox 360/PS3/Generic HID/USB
mSeed Games
Action
- Xbox 360/PS3/Generic HID/USB
senca
Sports
- Xbox 360/PS3/Generic HID/USB
Bohemia Interactive a.s.
Strategy
- Xperia PLAY
- Xbox 360/PS3/Generic HID/USB
- MOGA gamepad
- NVIDIA Shield
Bohemia Interactive a.s.
Strategy
- Xbox 360/PS3/Generic HID/USB
- MOGA gamepad
- NVIDIA Shield
Ironman project
Simulation
- Xbox 360/PS3/Generic HID/USB
Polarbit
Arcade
- Xperia PLAY