Full features available in Android 7.0 and later. Older android versions use more alimited version of the applicatapplication may be available for older android versions.
Hactar can play with you, it has 1 dan strength in 9x9 board and 5 kyu in 19x19 board. If this is not enough, you can subscribe to stronger engine playing at pro level in 19x19 board.
roid versions usemorealimitedversion of the applicatapplication may be available for older android versions.