Puzzle Fleet: Clash at Sea is an online mobile game, puzzle game, become the greatest sea captain in history and use your little grey cells to find and destroy enemy ships, play alone or clash with your friends in global leaderboards, is free to play on Android devices, from Tequila Games.
Download the game at:
https://play.google.com/store/apps/details?id=com.tequilagames.warshipsolo