This is the best premium Reversi, aka Othelo in the market with high quality graphics, sounds, awesome features and Ad-free.

3 Play Modes:
♥ 1 Player: play offline with 10 difficulty levels of AI, from beginner to expert.
♥ 2 Players: play-and-pass directly with friends on the same device.
♥ World Tournament: play online with friends and other players all around the world.

Special Features:
♥ Completely Ad-free.
♥ Even more beautiful than the Free version.
♥ Google Game Leaderboards and Achievements.
♥ Beautiful graphics, awesome animations and special effects.
♥ Two Themes: Glossy Colorful and Classic Black & White.
♥ Showing possible moves, ability to unlimitedly Unmove.
♥ AI can give Hints.
♥ Challenge yourself with or without limited time.
♥ Invite your friends, share your games directly via Facebook and Twitter.

Reversi is also known as Othelo, Black and White pieces.