Scripts don’t work on mobile devices I believe. There’s a couple of unofficial mobile apps that include certain script like functions depending on your device. You can find them here.
The New And Improved List Of API and Third Party Apps
Take a look and see which one best suits you.
I think Tsurukame (IOS) and Flaming Durtles (Android) are the most commonly used ones.
If level 47 is the start of where most of the levels are in apprentice then you should probably reset to there. I’d say if 50% or higher of the level is at apprentice then that should be where you go back to.