：Code submit frequency
：React/respond to issue & PR etc.
：Well-balanced team members and collaboration
：Recent popularity of project
：Star counts, download counts etc.
add annotations in source code
refactor c_surface, make it easy to customize
remove clone, support keyboard navigation
Support Apple Watch
Refactor wnd/resource/surface/display; add 3D engine
Add more annotation for key function, support Qt
Support Web & 3D
add 3D tutorial
Add 3D sample for GuilIte
What you see is what you get
Refactor wnd, update doc
Navigate/click widgets by hard button.
Work with Golang
Support Docker container
Refactor set_frame_rect & bitmap
Support Hello Particle
Demo code for STM32F103ZET6
HelloAnimation is 100+ lines demo code, it demonstrate how to make animation in GuiLite APP.
refactor display, surface; get_frame_buffer will return NULL if no UI update