Black screen on main menu

Hello everyone i want to report a bug in the version 0.12 of mcpe. The problem happends whenever i start mcpe it sends me to a black screen however it is not a problem with loading because i could hear in game sounds such as pressing the play button and so on. So far i found nothing that could help me with my problem and i was hopeing you guys could
My phone specs:
Huawei Ascend Y-300-100
400MB RAM
Two cores 1.01Ghz
I don't know if the specs will help but i hopenyou can find a solution to this bug