From a quick glance, it has some feature that ShaderToy really lacks, like choosing the rendering resolution and being more mobile-friendly.
On the other hand, there is also a lot of thing lacking that ShaderToy has, like multiple stage shader.
It look more like a web version of Bonzomatic than a clone of ShaderToy :) .
It look more like a web version of Bonzomatic than a clone of ShaderToy :) .