These are few prototyping iterations being carried out:

1. Joystick + Two push button controller with Arduino (Status: Success)
2. Touchscreen (4-Wire) controller with Arduino (Status: On-Going, Programming Stage)
3. TFT Touchscreen controller with Arduino (Status: Waiting for TFT to arrive from China)
4. Bluetooth 3.0 Integration
5. External Case Design + Battery Intergration