I don’t know why it never caught on, but touchscreen buttons with physical finger guides are a pretty great replacement for buttons. I mocked it up for the fir

I don’t know why it never caught on, but touchscreen buttons with physical finger guides are a pretty great replacement for buttons. I mocked it up for the first iPad with a cut up screen protector and some silicone. Worked great for buttons of any size, sliders, and all sorts of other controls.