Add a low graphics mode for laggy phones

Teener

I have a motorola phone (newer model ish) and I'm experiencing terrible lag as in less than 1 fps sometimes. I'm far into the game and heavily invested in it as my friends are as well. I was wondering if there was a way to add a low graphics mode kinda like what you see on pc games. I'm sure this would help a lot of players who are struggling to play on their phones. Thanks!