Supported Formats
| Type | Formats |
|---|---|
| Charts | Folder (in root), .zip, .osu, .mcz |
| Skins | Folder (in root), .zip, .osk, .msz, .msp |
| Sounds | .mp3, .ogg, .wav |
| Replays | .crp |
- Android
- iOS
Method 1: Open With
.osu,.mczcharts, and.zip,.osk,.msz,.mspskins can be opened by selecting “Cachi” via “Open With” to import automatically.- Sounds do not support one-click import yet; please refer to Method 2.

Android Open With
Method 2: Manual Placement
- Use any file manager to find the game root directory by searching
com.illsu.cachior navigating toInternal Storage/Android/data/com.illsu.cachi/files. - The root directory contains
/Maps,/Skin,/SEfolders, corresponding to Charts, Skins, and Hit Sounds. Place files into the respective folders. - If these folders do not exist, please launch the game once.

Android Directory Structure