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If you mean PokeRNG, I'm pretty sure that's for emerald only. You simply can't downlaod RNG Reporter or you can't get it to work? I'd suggest JavaRNG as an alternative if you can't use RNG Reporter.
I probably can. For the high Delays I used Pikatimer. I entered my calibrated delay and target delay as well as the second for my target time so it would create a timer telling me when to soft reset the game so I'll hit my time and another one for when I can hit my delay.
Oh i was goan hatch a specific nature for you and idk if you can catch it in Platinum thats why i just go to GTS or trade for one.And yea Rng takes alota patients that i barely have