FIX THE PROBLEM

I lost my diamond horse cause of the crashes. The infinite world load so slow.
Even though I though I exit and save it doesnt save anything I had done. The items drop by themselves.i had stop playing Minecraft for 1 week cause of these PROBLEMs plz fix how you want me to buy your realms I had lost a innocent horse.

OC GESUS714 about Minecraft: Pocket Edition, v1.0.4