Bryan

 Very true. That does not explain why you're not actually installing from the current master branch. That's where I got stuck on your issue..

Remove "run" from between superdesk-server and python. You're telling it to run "run" before python, which it can't find, causing it to error out before it has a chance to...

This should be corrected in the next release. If you would like a glimpse at possible features and bug fixes, check out: https://github.com/bmg1919/OpenCalc/releases/tag/debug-apk