UI Particles supports RectMask2D and Mask components with some shader changes.

UI Particles supports stretched billboards and mesh render modes.

UI Particles are compatible with mobile devices. Tested on iOS and Android.

Unsupported features:

UI Particles currently not support Shuriken Particle Render module. For Unity versions early 5.4 not support:
-Different particle scale for each axis.
-A frame over lifetime setting replaced to custom settings in UIPartice script.

Check out the details from the Unity Asset Store: https://assetstore.unity.com/packages/tools/gui/ui-particles-72330