Blackjack 21+ is an Android app developed by Smash Atom Software LLC (4231 Business Center Drive, Fremont, CA 94538). Others apps created by Smash Atom Software LLC are: Born Rich Slots.

Blackjack 21+ first became available on 16 Apr 2014. It is estimated that Blackjack 21+ has been downloaded between 500000 and 1000000 times from the Play Store.

Blackjack 21+ 1.0.0.12 requires the following permissions:

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 an application to read the low-level system log files.

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.