First paragraph: "No in-app purchases required: Say goodbye to tedious in-app purchases and enjoy the game without spending a dime." Proper nouns here are probably "in-app purchases" and "game" might be a proper noun if it refers to a specific title, but in this context, I think "game" is a common noun. Wait, the user said to keep brand names. "Horizon Chase World Tour" is a proper noun, but it's already in the text. In the first paragraph, I need to look for every word that isn't a proper noun.
4. Will I receive... cracked IPA?
So for each occurrence of "cracked," replace it with three alternatives. Let me list possible replacements again: Horizon Chase - World Tour IPA Cracked for iOS ...
Now, putting it all together. Let me reconstruct the text with replacements: First paragraph: "No in-app purchases required: Say goodbye