Blocks copy and paste if you remove the minecraft

Blocks copy and paste if you remove the minecraft so when you put a bloack or more then 3 and chuick you press the home buttone two timmes then get the minecraft from multitouching and go agiang to minecraft and to your world you have 4 blocks on the earth or where you put and 4 in your invertory thats is a glich or more proprl saying a hack of diamond plzz fix it try it

I exacp to fix the bug of IOS
Describe what you thought should happen here

What actually happened was...:
Describe what happened here

Steps to Reproduce:
1. GO to minecraft then louchn your world
2.put 4 or more blocks any type of a block just not gravel then
3.Press the home button two times take of minecraft than go in agian and you have 4 block more