Finally got a working Octoprint timelapse, or "Octolapse". Couldn't find a single working tutorial on how to do it with a phone instead of a webcam or digital camera or the Raspberry Pi camera module. Made my way through many documentations and YouTube videos and finally got it working.
Getting Octoprint itself was quite a bit of a challenge having a clone Arduino on my 3D printer. Raspberry pi just couldn't seem to detect the Arduino, but eventually figured out a way to make it work. Many hours of tinkering around was totally worth it.
Time to get some amazing timelapses on my next prints