It's a good idea to add BrashMonkey's "Spriter Pro" (2D game animation tool) to the extensions

[aismann]

see
https://brashmonkey.com/spriter-pro/

Advantage:
You can use a free version on your game and Spriter Pro is cheaper as Spline.
Also performance should be good and a new version is planed too: Spriter 2

Here are some github sources for first start.
https://github.com/j2doll/test-ccspriterx (MIT)
https://github.com/lucidspriter/SpriterPlusPlus (zlib)

[aismann]

First result:

Show me the clip (youtube)

Another more complex example (only for testing/bug finding issues (maybe it has copyrights):
Show me the clip (youtube)