If you'd like to change devices and continue using the same account, be sure to link your account with the social media account of your choice (e.g., Facebook). Then, once you download To-Do Adventure on a new device you can use this account to retrieve your data and continue playing.
Please note, if you have already linked your account and experience data loss at any point, please do not immediately reinstall To-Do Adventure. Please contact player support through the app to let the Island Support team know. We will then do our best to resolve the issue.