In an effort to broaden its presence in the U.S. market, Japanese gaming company DeNA has acquired Mountain View, Calif.-based mobile social gaming studio, Gameview . The acquisition furthers DeNA's goal towards being a household gaming name in the U.S. Terms of the deal were not disclosed. Gameview creates free-to-play mobile social gaming applications for smartphones including, Tap Ranch, Tap Fish: Exotic, and Tap Birds. The studio's last two games have been ranked No.1 among free apps in the Apple App store. DeNA will also cross-promote games between Gameview and MiniNation, DeNA’s subsidiary in the smartphone market.