Sum X is an Android app developed by Kidga: free puzzle games (Krivių g.5/Baltasis skg.12, LT-03231 Vilnius Lithuania).

Sum X first became available on 24 Apr 2012. It is estimated that Sum X has been downloaded between 50000 and 100000 times from the Play Store.

Sum X 2.38 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.