Echojong is Mahjong solitaire played by ear: every tile is a sound. Hear a free tile, drag it to the pane, and match the pairs from memory. Seven worlds of sound, four difficulties, a Hardcore mode, a guided tour for first-timers and a leaderboard. England is free; one purchase unlocks every world.
Only the current version so far — new entries appear as the game ships updates.
Mahjong solitaire played by ear. Every tile is a sound: match them from memory.