Based on this question and this question and this issue, it sounds like Android basically doesn't have undo/redo functionality. (I guess? Correct me if I've misunderstood or if the situation has ...
I have Samsung Galaxy S4 GT-i9500 running the latest firmware with Android 4.3. I want to create "hardware shortcuts". For example, if I hold volume up and home at the same time, then it'll open an ...