* optionally suggest names of installed apps
* swipe to switch emoji categories
* display toast after restoring backup
* larger toolbar button and icon
* make comma accessible in popups when showing TLD popups
* add setting for default emoji skin tone
* add keycodes for left and right alt and ctrl keys
* add key label "timestamp" for more accessible timestamp key
* understand special key labels for popups in simple layouts
* minor fixes and improvements
