This is a Japanese Input Method Engine (IME) (Preview Release)Aka Japanese keyboard. For OS1.6 to OS4.0.3(ICS)Built-in App Launcher.Note)There are 3 big carrier docomo , au and SoftBank in Japan...
SYSTEM REQUIREMENT 1.MINIMUM SYSTEM REQUIREMENTS Operating System : Android OS 2.1 or later. Support Android 6.0. Hardware : Any Android devices with Mobile Network or Wi-Fi, OpenGL ES 2.0 ...