Hello. I apologize for my English, I use a translator.
I have a problem with physics. For example, I've made ??two videos.
This video from the device
youtu.be/LFNT9mx1wY8
And this from a PC
youtu.be/jB-rbvzpZB8
As seen on the PC, all is good, but there is a problem on the device - the physics is delayed. Because of what the boxes go into each other. Then they jump appears with force. On Iphone 4S same problem.