Cardstone is an Android app developed by Running Pillow (Pod hrází 1447 756 61 Rožnov pod Radhoštěm Czech Republic).

Cardstone first became available on 10 Dec 2014. It is estimated that Cardstone has been downloaded between 100000 and 500000 times from the Play Store.

Cardstone 1.5 requires the following permissions:

Allows an app to access precise location. Alternatively, you might want ACCESS_COARSE_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 read only access to phone state, including the phone number of the device, current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device.

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.