Debug built from the sources of current git processed to change org.tuxpaint to org.tuxpaintdebug and org_tuxpaint to org_tuxpaintdebug.
Also renamed Tux Paint to Tux Paint Debug and Tux Paint Config to Tux Paint Debug Config in app/src/main/res/values/strings.xml
Removed too many of the stamps to lighten the downloads.

Will left a log file in the Tux Paint's debug dir, you can recover it with something like
adb pull /storage/emulated/0/Android/data/org.tuxpaintdebug/files/tuxpaint.log

or view it with
adb shell cat /storage/emulated/0/Android/data/org.tuxpaintdebug/files/tuxpaint.log