I want to present my another small production: 3D Night City Clock. It is nothing special... but the final effect with bloom shader looks great (at least on my SGS II).
Thanks to Egon for fast fix in jPCT. I am not sure if my solution is fastest but the bottleneck is in the Gaussian blur shader.
https://play.google.com/store/apps/details?id=com.zr.night.city.clock