I am no longer updating this project.
You may wish to try out sspanak's fork here: https://github.com/sspanak/tt9
Thank you for your interest in this project.
Traditional T9 keypad IME for Android.
This is a Input Method Editor for Android that implements predictive text using the hardware keypad on the device. Useless without a hardware numerical keypad.
See Wiki for more information: Traditional T9 keypad IME for Android
Available on Google Play: Traditional T9 Keypad IME