Arduboy on a Quadcopter board?

Just sharing this in case it looks interesting to someone. I recently found these quadcopter boards (KK 2.1.5) and they just happen to have a 128x64 LCD, ATMega644PA microcontroller @20Mhz, MPU6050 IMU, amplified piezo output, 4 buttons and tons of exposed I/O. The only downside is that the circuit is pretty much stuck with a 5V Vcc. Still, for $20 retail, they could make an interesting gaming device starting point.