Ninetap, a South Korean company founded in 2018, specializes in publishing and optimizing casual mobile games. They focus on genres like arcade, action, puzzle, word, and sports, and use in-app ads as their business model. With a dominant market share in major app stores, Ninetap assists developers in improving their games, maximizing profit, finding users, and optimizing game metrics. They offer services such as soft-launching, profitability analysis, revenue optimization, and customized marketing strategies. Some of the games they have published include 'Tile Match', 'Bubble Shooter Mania', and 'Tile Connect', available on both Android and iOS platforms.