Okay, I didn't overly care for Pokemon Shuffle, when Nintendo gave that to everyone on 3DS, as a freemium game.
And certainly wasn't going to pay money to play more of it.
But Pokemon Picross actually has me kinda addicted to it. And I am tempted to purchase currency for the game, but do not want to.
If you spend enough total, roughly £30, then you get infinite currency, and the game is basically unlocked as a full game for you.
But I don't think the game is big enough to warrant £30 spent on it. And I'd never be able to look myself in a mirror again if I just bought a smaller bundle for the game as a boost.