Always on screen can be emulated using an invisible video. There are libraries for this, like https://richtr.github.io/NoSleep.js/ https://richtr.github.io/NoSl

Always on screen can be emulated using an invisible video. There are libraries for this, like https://richtr.github.io/NoSleep.js/ https://richtr.github.io/NoSleep.js/. Which sensors are you talking about? Accelerometer and GPS are standard.