Play correspondence with real players. Challenge friends or join ranked matches against similar skill opponents. Make moves anytime with automatic notifications. Improve ranking via Elo system updates. View leaderboards and track progress.
Play audiobooks in MP3, MP4, OPUS, OGG, FLAC, M4B, and M4A formats. Supports file browsing, playback control, and volume adjustment. Allows users to queue files and manage playback speed.
Learn with interactive challenges featuring friends. Practice signs and operations, select missing equations, choose correct operations for word problems, and identify even and odd numbers. Aligns with Common Core Standards.
