Recent content by Lemon table

I've managed to make a button that lays over my other apps but kind of struggling to find a way to make it activate my screen reader

Hi I have a visual impairment from a brain injury so I use the text reader with all apps that support it there are some apps where I have to swipe on the screen for the screen reader button to appear and I was just wondering if I could maybe set a button to appear over my screen where I could...