Are there any shaders that work well with mobile?

Are there any shaders that works well with mobile? Or are shaders just not for mobile?

For example, if I were planning to make a warp. Can I use WebGl shaders?

Thanks a lot.

They work on almost any device made in the last two years.

Its just a matter of smart design. How to smartly use the least amount of resources for maximum effect, versus what the capabilities of your target device is. Some tablets or phones can be 10 times as capable than others.