Originally Posted by Myrdin

I have a ceratin suspicion of what you might be pointing at (though I may be complete off as well).
Regardless if it works or not, I am interested in hearing your theory behind your comment. Hope you share it, just out of interest.

My theory is that the System behind FKG is similar to the RNG in Pokemon. In Pokemon you can manipulate the RNG (called RNG Reporter) simply by log in at a specific time and raise your Frames before you can catch your Pokemon with perfect IVs and the Nature you want.

I think in FKG you can raise your Frames with the three 3* in a row or one 4* Normal Gacha Trick and after that you participate at a specific time in the Premium or Limited Gacha to get a 6*