Hi, and thank you for your interest!
Shake Me is being translated using Weblate, a web tool designed to ease translating for both developers and translators.
Translation project for Shake Me into Sinhala currently contains 41 strings for translation and is 4.8% complete.
If you would like to contribute to translation of Shake Me, you need to register on this server.
Once you have activated your account just proceed to the translation section.