ゆっくりまりさの大冒険東方ゆっくりの無料カジュアルRPG, developed by Atami-lab, is a simple casual RPG game available for Android users. The game is about a slow-moving creature named "ゆっくりまりさ" who has a dream to become the strongest "ドス" and live a laid-back life. In order to achieve this dream, the player has to help ゆっくりまりさ defeat other slow-moving creatures and collect coins and items. The game has a few action elements but is designed to be easy for anyone to play.

The game features 30+ slow-moving creatures that ゆっくりまりさ has to defeat to progress further. The game is free to play and is a personal project. It also includes characters from the "東方Project" as part of the game. However, due to the nature of Android, the game may not be compatible with certain devices and operating systems.