Well, after a bit of fumbling, I'm releasing the first version of my first #Android app, Timekeeper.
Timekeeper is a #Tasker plugin to automate interacting with #Toggl Track for time tracking. My main use case is things like scanning NFC tags around the house when I'm doing various things.
It only does some basic time entry starting and stopping now, but it's a good starting point. If that's something you might benefit from, consider checking it out.