野球スタメン作成アプリ is a free Android application developed by korokoro. It falls under the lifestyle category with a subcategory of sports. The app allows users to create baseball lineups and offers several useful features.

One of the main features of the app is the ability to toggle the designated hitter (DH) option, allowing users to choose whether to have a DH in the lineup or not. This flexibility caters to different preferences and game situations. Another useful feature is the option to register substitutes, ensuring that users have a complete roster ready for any changes during the game.

Additionally, the app provides the ability to share lineups via LINE or Twitter, making it easy for users to communicate and collaborate with their team. It also supports a "全員打ち" feature, which allows users to have all players in the lineup as batters, although this feature comes with a cost.

Overall, 野球スタメン作成アプリ is a handy tool for baseball enthusiasts looking to create and manage their lineups. The developer, korokoro, welcomes user feedback and suggestions for future improvements.