The name Pokemon is the romanized contraction of the Japanese brand Pocket Monsters. As such contractions are quite common in Japan. This app is a wallpaper collection and present in slide show style on your phone which you can also set as live wallpaper. This is a live wallpaper app and you need to set it via home screen menu > wallpaper > livewallpaper. You can tweak this wallpaper by going to the settings edit wallpaper option. You can change the transition style, speed timeout photo effect.