+ Summary the hacks to p4a, bleak p4a recipe, p4a webview bootstrap, and AdvancedWebView
+ More frontend usability, more functions
+ A better layout for mobile?
+ Better Canvas mode, (re-)consider fabric.js
+ Implement Document mode, (re-)consider html2canvas.js
+ Write good help/manual
+ Make error notice short while let users see detailed help/manual for what-to-do
+ ...