u/Apprehensive-Pop-600

i need help tuning this scooter, if there is an app in which i can control how fast it goes it would be perfect because i live in germany and here it is illegal driving faster than 20km/h i tried getting the soflow app into Developer version but it didn't work for my i have an google pixel 9 pro i also have an pc i could use to tune it so if someone could help me i would really appreciate it