JShell - Java Compiler IDE is an offline Android application designed for writing console applications and learning Java. The app is free of cost and is a useful tool for programmers.

The app has support for Android Java API, which is similar to Java 8 API, and Java 11 compiler features. It also has support for multi-file projects, which makes it easier for programmers to work on larger projects.

The app has a straightforward interface that is easy to use and navigate. The app is well-designed and has multimedia icons created by Smashicons - Flaticon. The app also has mug icons created by Smashicons - Flaticon.

Overall, JShell - Java Compiler IDE is a useful tool for programmers who want to learn Java and write console applications on the go. The app is free, easy to use, and has features that make programming easier.