I purchased this along with another sleeve from Retro Modding just to give them both a test and I must say the Funnyplaying sleeve is miles better than the 10$ one I got from Retro Modding and I made sure to leave a review on their site as well stating the same facts. HHL never disappoints.
Hand Held Legend and RetroSix
We've teamed up with RetroSix in order bring you custom designed products for all of your retro gaming needs.
Check them out at: https://retrosix.co.uk/
RetroSix is a small team of people who have been in the gaming industry and retail business since 2013, and sold consoles, controllers and even designed our own controllers and consoles.
Game Boy Modding : A Beginner's Guide to Game Boy Mods, Collecting, History, and More!
Complete beginner's guide to all aspects of modifying the classic Nintendo Game Boy. D.I.Y. Game Boy Modding will provide readers with a detailed process for purchasing, refurbishing, modding, and customizing several Nintendo handheld consoles.
Get the printed book here: