I have problem!

I have some problem using simulating Up keys for my games.And also when i make .apk file of my game and try to run it on android …It dose not flip horizontally

provide more information and/or code so will ne easier to help

make your game horizontal, 1280x720 or 1920x1080. Game Settings properties/ landscape
for making mobile controllers check out the platformer example when you first create a project.

It’s basically an image, you press on it and then you simulate jump.
There is an event called system info - there you can detect if the user is on a mobile device
so you enable your on screen controllers.