3 work on my machine (Firefox 102 on Android 12) if the site is a PWA else it lets you to have a link in your home screen. The option is "Add to home screen"/"

3 work on my machine (Firefox 102 on Android 12) if the site is a PWA else it lets you to have a link in your home screen. The option is "Add to home screen"/"Install app" in the menu. -- Also about 1: did you tried to put the bar in the bottom?