The Amazing Mobile Phone Accessory Market. It is a common trend to first look at the accessories available when one thinks about whether to buy mobile phones. Each type of phone has its own specific list of accessories. Some of the most popular accessories in the market are skins, mobile covers, pouches, ear phones, memory cards and batteries. The skins, pouches and covers come in various colors and designs to cater to all tastes. While some are jazzy and funky, others are simple and sober.