MST Shop is an online marketplace focused on buying and selling Play Together game accounts and providing related gaming services. The shop says it has operated for more than three years, drawing on experience with the game to offer accounts in a range of prices and configurations. Listings include random accounts featuring stars, gems, and event items, as well as accounts with specific collectibles, fishing rods, or completed gameplay progress. Available stock and sales information are displayed on product pages, and some purchases use automated transactions.

Beyond account sales, MST Shop offers farm services, including weather buffs, and paid gameplay assistance such as event completion, rank and mission grinding, and other account progression tasks. Players can also purchase star and heart boosts with in-game mail gifts. The site provides account registration, a customer wallet, transaction and purchase history, and funding through mobile top-up cards and payment options including bank transfers, QR payments, MoMo, ZaloPay, and Garena cards. MST Shop lists policies for transactions, privacy, and warranties, and promotes affiliate commissions.