A free program for Android, by Espresso Apps.

Detective Notes is a free app for playing Clue on the phone. This app is the best version of Clue available for mobile devices. It is a completely paperless version of the game, so you don’t need to print anything out or bring any paper with you. It is compatible with most devices that run Android. 

How do I play Detective Notes?

To play, you need to download the app. You will be given the game and the names will be assigned to the players. The game is played in rounds.