The best way of Viewing 360 Videos on Google Cardboard Via Android is AAA VR Cinema :-) Now how to View To View it..! 1.)Open play store and Install AAA VR cinema. 2.)Then select the Video. 3.)Make sure the Videos Which you have downloaded are 360. 4.)After selecting Video, Just select 360 Panorama. 5.)Done....! 6.)Select Play. Enjoyyy....! Some problems and Their Solutions :- 1.)If you see videos Half and One line in middle.Just ensure that the Video which youbhave downloaded is 360. 2.)Still the problem is Varying... Make Sure You Have Selected Panorama 360 or else it will not Work. 3.)Cant see the side up.... Just if screen size is 5.5 inch then select screen size as 50.Do This with Others too....! ThankYou...! All the Credits go the Developer of The app.And the other things which I have mentioned in. Still any Problem just Comment Below. I have a Stock of Google Cardboard Things....!