Advances with the Earth app - prepare it to checking if any FRAGMENT or VERTEX effect correctly works on a Sphere mesh.
Convert everythig to GLES31 (there were some GLES30 remnants)
Try using OpenGL ES 3.0 everywhere (but if device does not support it, try creating 2.0 context - this is important because of the emulator!)
Around the World: moving the selection rectangle
Minor stuff
Progress with AroundTheWorld
Progress with "Around The World"