GitHubのメールに旧版でローカルにバックアップした設定をリストアする手順が書いてあった

How to restore the old local backup to the new version:

- Install any file manager from the store (e.g., X-plore)
- locate 'data' folder (usually located in the root of your local storage near Downloads, etc)
- open context menu and locate 'create zip archive', the name could be arbitrary
- locate the created zip, open its context menu, and select 'share'. As a receiver, select SmartTube

https://i.imgur.com/7oi51F2.png