Gamehag on Huawei - Please help

So, I have a Huawei phone and if I want to do a contract I get directed to the AppGallery (which then tells me that the game is unavailable in my region) instead of PlayStore. Is there a way to change the default store to PlayStore? Or how does the proof system even work?

did you put it that always it will open app gallery? and if it says it isnt in your region then prob play store wont do anything

I only use PlayStore, never before have I opened AppGallery, but it picks it over PlayStore.

Thing is, i find it on PlayStore but i don't know whether they accept it if the game isn't downloaded from the given source.