Tetrun is an Android app developed by Cableek Games (Cableek s.r.o. Chodovická 1902/49 193 00, Praha Czech Republic).

Tetrun first became available on 12 Mar 2018. It is estimated that Tetrun has been downloaded between 1000000 and 5000000 times from the Play Store.

Tetrun 0.9.5 requires the following permissions:

Allows applications to access information about networks.

Allows applications to open network sockets.

Allows access to the vibrator.

Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.