ECMAScript - Javascript is an Android application developed by SaravanakumarGN and is available for free download on the Google Play Store. The app is an all-in-one package that provides a live code editor, ES6 & ES7 features, and easy navigation pages. The app is designed to help users learn and practice ECMAScript6th Edition) and JavaScript implementation.

The app is easy to use and has an intuitive interface. It provides ES6 features contents with easy and more examples, making it easy for users to understand and practice the new features. The app also has easy navigation pages through right and left tap on the screen, making it easy to switch between different sections. Additionally, the app has easily readable background colors and font styles, making it easy on the eyes.

Overall, ECMAScript - Javascript is a great app for anyone who wants to learn and practice ECMAScript 2015 and JavaScript implementation. However, it would be great if the developer could add more advanced features and functionalities to the app to make it more appealing to advanced users.