An app should be operable by in the users' preferred way. Make sure functionality is not only operable via touch. People who use a screen reader, voice control, keyboard, switch control or other device should also be able to fully operate the app.
People with disabilities sometimes need more time to navigate through a screen. It is important that the time limits can be extended.
Some users have mobility impairments, preventing them being able to shake their phone. Make sure that this kind of functionality can also be activated in other ways.