Note: This is an editor class. To use it you have to place your script in Assets/Editor inside your project folder. Editor classes are in the UnityEditor namespace so for C# scripts you need to add "using UnityEditor;" at the beginning of the script.
Auto |
Let the OS decide, app doesn't have any preferences. |
PreferExternal |
Prefer external, if possible. Install to internal otherwise. |
ForceInternal |
Force installation into internal memory. Needed for things like Live Wallpapers. |