Mirakel by Anatolij Zelenin and Georg Semmler is an open source TODO-List App for Android.
Changes:
* Sync now with Taskwarrior
* Check the settings for new features! (Opt in)
* UI-Improvements
* Dark widget
* Spanish translation (thank you macebal)
* Bugfixes
https://play.google.com/store/apps/details?id=de.azapps.mirakelandroid