A free program for Android, by androidtweak.in.

Indic Keyboard Gesture Typing is an application that will enable you to write in the Indian script using your keyboard. The application supports the user to type in any of the languages that are available in the Android OS, such as English, Hindi, Kannada, Malayalam, Punjabi, Sanskrit, Sinhalese, Tamil, Telugu, Urdu, Arabic, Santali, Mon, Maithili, Methei, Burmese, and English. The user can set the default language, which will be used for the keyboard, in the settings. The user can use the voice input method if the device supports it.

The user can select the key that will be used for the keyboard from the options available in the settings.