Game goes stuck on Android Phone?

Hi Guys! My Game Is 3d Free Runnner game but the problem is it is working fine on unity game view but it stuck on my mobile My draw call is between 40 to 65.i used all optimization technique for free version of unity but stuck on my anroid device(micromax doodle 3d) but working good on my frnd phone(sony xperia m2) why this happen i dont undersatnd plzz help.Pardon me for my english.