Looper Calculator is an easy-to-use, scientific calculator app for Android devices that provides you with a smooth, intuitive user experience. It's a fully functional unit converter, too.

With this app, you can easily calculate lengths, areas, and volumes. It also provides you with the option to convert units. 

You can easily use the built-in calculator to do calculations or make conversions. It can also be used to add up your receipts.

The app has a clean and simple design that lets you see your results without having to do any complicated calculations. It's designed to work on Android devices, but it should work on any device that has an Android OS.