Thread:EnigmaticOxygen/@comment-24239861-20140107174952/@comment-5405256-20140107215216

The magazines e.g. only appear at the top spot. If you buy the item in the first spot you will increase your chance to get a magazine.

You can spend 5€ too, for rewards you have to do that 50 times.

If you have a rooted phone/tablet: Make a backup e.g. with Titanium Backup, stay offline and refresh the shop for 5€. If you see the item you need, buy it. When you dont have success, just restore your savegame and try it again.