This is free version of well known Omaha Hi/Lo Poker.
Owing to its frequently large pots, Omaha Hi/Lo (also called "Omaha High Low", "Omaha H/L", "Omaha/8" or "Omaha 8-or-better") has become a hugely popular game around the world. Some people think that Omaha hi lo is the game of the future.
This game has some limitations of features versus the full featured Omaha Hi/Lo Poker you can obtain from https://play.google.com/store/apps/details?id=boris.omaha