My boy! is a super fast and full-featured emulator to run gameboy advance games on the broadest range of android devices, from very low-end phones to modern tablets.. So, below i have listed a step-by-step procedure which you can follow to install the my boy apk on your android device. first of all, make sure you have downloaded the apk file from the above download buttons. if you had downloaded it on your pc then make sure to transfer it to your android device.. What is my boy apk? in simple words, you can say that my boy apk is an emulator made for your smart phone. this emulator helps you to run the gameboy advanced games on your smart phone easily. also, the best part of my boy emulator is that no matter if you have a high-end or a low-end smart phone or tablet. it will offer you a smooth performance..