Tabikaeru is a freemium mobile game developed by the Japanese company Hit-Point. The game centers on a frog travelling around Japan and sending back snapshots or mementos of its trip. The main gameplay is that players grow and collect clover in a virtual courtyard as in-game currency to afford the frog’s journey. The game, in Japanese only, has risen to the top of the free apps in Apple’s App Store in China, Taiwan and Japan.