Thanks! You can support us here or at https://igg.me/at/v2hBnA-0I3k/x/20461851
Also walkthrough from the dev
Would be nice if you could do it here as well... I don't have an account there. :I I think you will have more backers then. Just a suggestion.
I've connected the payment. Now if you try to download the game it'll ask if you want to donate or not. I was pretty sure it was all setted up, but turns out it was not.