謎解きメール２ is a puzzle game developed by Jammsworks for Android devices. The game challenges players to solve a series of 10 puzzles in each inbox folder. By pressing the email icon, players can attempt a puzzle rearrangement challenge. Successfully solving the puzzle will unlock a new email with a new problem.

With over 100 total puzzles, the game progressively becomes more difficult as players advance. Each correct solution rewards players with a "keyword" and "points." Points can be used to unlock hints, while keywords are necessary to receive new emails.

If players find themselves stuck on a puzzle, they can make use of the hints or share the puzzle with others to seek assistance. Additionally, there is an option to reveal the answer by tapping the troubled face button.

For players who want to revisit previous puzzles, they can select the desired inbox folder from the list button. Please note that folders that have not been accessed before cannot be selected.

Overall, 謎解きメール２ provides a challenging and engaging puzzle-solving experience for players on Android devices.