Given the predominance of Wi-Fi in the United States, designing for mobile doesn’t necessarily mean your players will be on 3G when they play your game, but it does make it a possibility that you need to take into consideration.
If you create an RPG with hundreds of megabytes of assets, you need an incremental loading system that doesn’t try to download everything at once. Even if the user is on 4G or Wi-Fi, the mobile browser won’t have the cache space or the memory to handle all those assets efficiently.
The good news is that optimizing your game for mobile doesn’t only affect mobile devices. Making your game load faster and play smooth can result in a better all-around experience on desktop as well as mobile.
Many times, given the speed of desktop browsers ...