Graphics and control problem

When playing minecraft sometimes it will freeze then it will dig blocks for it's self move for it's self and fly for it's self when in creative pls fix this cuz each time when we are playing survival or creative mode survival it will run for it's self dig blocks and fly for it's self and says android system not responding iOS system not responding but on older version it doesn't do those kind of staffs 

So update this graphics and make it work thank you