This offering of a Roman keypad from Luna Ergonomics includes some special features to users, including some gesture support. Other products of Luna Ergonomics are the Panini Keypad and the Static Keypads.
The Keypad is an IME (Input Method Editor), so after installation launch/activate is little different, follow the steps.
1. Go to Settings- Language & input- Select Hindi Roman Keypad IME.(check on)
2. Go to Settings- Language & input- Default- Set Hindi Roman Keypad.
Back to typing area keyboard will appear on screen.
Let us know your feedback.
*Note: Hindi/Devanagari fonts must present in phone, otherwise shows Square/Blank boxes.