HTC G1, but before that I put Android on my HTC Tilt2 which was a Windows CE phone so not really Android but you could side load it. This was early 2008.
Goad I never jumped onboard.
Podcast Addict for the win
I do the same at 78% on the slowest charger I can find to charge overnight.
I go months without ever charging above 80%. I have to remember to let it drop below 15% and fully charge every once in a while to recalibrate.
I use RushSync
The Pixelbook isn't sold anymore, but is still a really solid Chromebook. Support ends soon, which is a real pity as I think I'll keep using mine for a long time to come.
Sorry I should state that it has a year left before end of support, but even that feel short with how well it is doing now.
Keepass2Android Tasker Joplin DropSync, OneSync, DriveSync Evanova EDS Total Commander Aegis Instander Stocard Waze