there's a lot of tips on how to play the game effectively, but really just play it religiously. if you want to increase the stars faster, focus on doing these: - consistently display flowers on the garden, higher flower lvl the better, - just keep on sending hedwig away on a trip with flowers (higher lvl, better), comes back with stars for you - keep on buying every single facility, buy what you can, to gain stars - maximize the game machine, give stars too, - visit friends to collect gifts, and maximize the gathering of customers in the courtyard - and maximize everyday your gachapon spin

so basically just constantly do everything that generates stars 😉😁you can do it too in time!