There are a few ways to open Mobi files on Android. The first way is to use the File Manager. The File Manager can be found in the Menu bar at the top of the screen. Once you have opened the File Manager, select the Mobi file you want to open from the list of files. The second way is to use a third-party application. Some applications, such as Google Drive, offer an easy way to open Mobi files. Another way to open Mobi files is by using a file manager that comes with Android.