Just released a minor update of the NuDroid App:

Here are the release notes for v4.4:

•     Added support for py-nugetfee and therefore Nu 2.0 dynamic transaction fees. Nu 3.0 may also be compatible
•     When restoring a wallet, show the most recent backups first.

The APK can be downloaded on: https://github.com/Cybnate/NuDroid/releases/tag/v4.4
The App will also be made available on Google Play soon.