You can even try out their new AI feature. After 3 strikes, it learns who you like to strike the most and will give suggestions containing the most packed areas with as many children as possible. It also has in-app quests to complete such as wiping out a whole family in 1 strike.
It rewards you with points you can spend in the store to buy skins and other cosmetics for your missiles.
If you signup with your nintendo friend code, you can unlock the banzai bill skin.
I could have sworn that a few months ago it was on the news that the government restricted all online stuff like video games, to only a few hours a week or something for minors?