>>79574249If by "successful" you mean achieving her goals, keeping her motivated and happy doing what she's doing, just be sure to engage with her posts and content as much as possible, make fangames, and if applicable, relevant mods for games she'll be playing (think poopoodoodyboy's Dino Gura Palworld mod for example) as well as other content, and just generally show as much support as we can
If on the other hand you mean "successful" from a numberfag perspective, well, if past precedent is anything to go by, spreading cute and/or funny memetic moments is a big thing, as well as the obvious things of buying merch, getting membership, etc. I for one definitely intend to day-one member her, and all of (You) should do the same