Firebase mobile app: console access APK

Minor crash fixes

It is can be harmful and headache to access firebase console using regular mobile browsers as they are slow and can increase chances of accidental or unexpected signups for other websites with the account we signed in.
Firebase mobile app is a solution for you.
*Get rid of a sign in and out: You need to sign in for only once.
*We tried to make it faster than a browser.

Note: As we use default android controllers, we don't(We can't) read your credentials.