FishLabs has released Galaxy on Fire 2 HD, a high-performance version of its popular space adventure game exclusively for the iPhone 4S and iPad 2. Taking full advantage of the A5 chip, Galaxy on Fire 2 HD provides 3D models rendered with four times as many polygons and textures at a four times higher resolution than the original Galaxy on Fire 2, running smoothly at up to 40 frames per second. New Open GL 2.0 shaders and additional texture sets and…