It is a 2D game engine with most features you could expect from a modern engine: pixel-perfect support, tiled sprites, 9-patch, particle emitters, video, text, support for custom hitboxes, ready-to-use physics and platformer engine, admob support on Android, a profiler...
Game objects can be enhanced using ready made "behaviors": platformer, pathfinding, physics, tweens, bounce on walls... These behaviors - and extensions - can even be written using events, then shared with the community.
Games can be exported as web games (HTML5), or exported on Android, Windows/macOS/Linux, iOS (with the proper tooling), Facebook Instant Games and other marketplaces like Kongregate or Itch.io.
Few users have already created few games which are worth trying, one of them being the following; (still in beta).