Zynga is the market leader in the class; while WSOP/Playtika has similar social mobile poker numbers to KamaGames.
Besides, Kamagames product - Pokerist's has many additional, unique features.
Kama is the first social casino company that launched Multi-Table Tournaments, also known as MTT. Its a very complex feature to develop, so has only ever appeared in real money games until now. This mode has generated the great results since launch due to CEO's statement.