If your iPad is not working properly, it is perhaps both understandable and expected that Apps may similarly malfunction.
You would be best advised to visit the Genius Bar at your local Apple Store or Apple Authorised Service Provider (AASP) - where you will be able to demonstrate that problem. The Apple technicians will be able to test and assess your iPad; if your iPad requires repair, you’ll be in the best possible place to explore your available remedies and options:
Genius Bar Reservation and Apple Support Options - Apple