Since your most recent update several days ago I have been unable to enter the game. It crashes every time I attempt to load. Sometimes I am able to click on a world name and other times it crashes before I even get to that screen. It always crashes before I am able to enter the world.
Thank you for your report!
However, this issue has been closed as a Duplicate of MCPE-35078.
This bug should be fixed in the 1.5.2.1 update, but if not, please add a vote and any new information to the main ticket, which will be updated accordingly.
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