Chess Opener is an Open Source GNU GPL V2 Licence software.It consists in a chess game where you can learn chess openings while you play.You will have a library of chess openings so you can learn more about them. It will have a description, a bit of the moves history and a video that explains the moves. It has 2 game modes. PvP and PvE. In PvE you can practice against a AI and try the opening moves. In PvP you can challenge one friend to play with you and use the openings to beat them.Libraries used:- several Wikipedia chess openings information.- Jcarolus Chess- Android Support Library v4- Bumptechs Glide image loading library- Wikimedia creative commons images