Sky-3ds.com tests sky3ds for you, this one supports free 3ds games on 3ds 10.2.0-28u. Here is the post http://sky-3ds.com/blog/sky3ds-and-3ds-10-2-0-28-is-sky3ds-compatible-with-3dsnew-3ds2ds-firmware-10-2-0-28u/ for your checking.