Shaders Zero are great shaders with minimal requirements that will work on almost any device. If you want to improve the graphics while afraid of lower FPS then this package is for you. The author of this pack did an incredible job on the optimization, so they work great even on a very low budget devices.
If your phone is able to run Minecraft and these shaders will also work fine. Thanks to them the picture on the screen will be more lucid and the rays of light will be displayed in a completely different way.