Download N.O.V.A 3 From Here
Most Of The People were having Trouble in running N.O.V.A 3..So Here is The Backup
first download nova 3 from Here
Download Backup Files From Here
Install Titanium Backup Place The Backup Files in Sd/TitaniumBackup
Run Titanium Backup and Find Nova 3..Click on Nova 3 then restore Then Restore Data Only
Done...Restart Your Device and Play ......