Pokekara is a karaoke app that lets you sing as much as you like without having to pay for it. It offers a variety of songs, including popular ones from Jpop, anime songs, hit music, Western tunes, and rock anthems

You can also record your own voice and play it back to yourself. This lets you improve your singing ability.

It has a built-in microphone, so you can sing in a loud voice and hear how you sound.

The app lets you use a built-in speaker to sing in a quieter voice.

You can also use a built-in recorder to record yourself singing and have fun with friends.