There are a few ways to open Cr2 files in Android. The first way is to use the File Manager. The File Manager can be found in the Menu > System > Apps > File Manager. To open the File Manager, select the file you want to open and then press the three buttons at the top of the File Manager. The first button is called “Open.” The second button is called “Open with.” The third button is called “New.” To open the Open with button, select “Open with” from the list of options and then press OK. To open the New button, select “New” from the list of options and then press OK.