-It can hide source code, it outputs one .exe, if you open it with notepad, you can't see HTML tags, it's totally binary.
-You can use Application Information.
-You can use Application Properties such as Icon. (Resource Hacker not needed).
-You can edit windows size and position.
-Offers API like shaking window, advanced file system, screen capture, Network like IP address, Access Hard Drive, Prompt restart computer, etc.
-It only works in Mac computer.
-Fails to run on Windows OS.
-Not free (It's expensive).
-No Linux support.
Same FPS like Chrome does. I haven't tested with WebGL effects.