Colorin is an Android app developed by Poptacular (Harbottle and Lewis 7 Savoy Court London WC2R 0EX United Kingdom). Others apps created by Poptacular are: 100 PICS, 100 PICS Puzzles.

Colorin first became available on 11 Mar 2016. It is estimated that Colorin has been downloaded between 100000 and 500000 times from the Play Store.

Colorin 2.02 requires the following permissions:

Allows an app to access approximate location. Alternatively, you might want ACCESS_FINE_LOCATION.

Allows applications to access information about networks.

Allows applications to access information about Wi-Fi networks.

Allows applications to open network sockets.

Allows an application to read from external storage.

Allows access to the vibrator.

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

Allows an application to write to external storage.