There's one part of Maplestory that completes the entire game, the trade system. The ability to trade or sell your items is what, in my opinion, makes the game enjoyable. Unfortunately, at a first glance, it seems as if this feature is not available in Pocket Maplestory. Fortunately, it is. According to the official Nexon Pocket Maplestory guide, there is a market system.
MORE POCKET MAPLESTORY