Device Essential is a free utility tool developed by Galaxya Interactive that provides basic and advanced functionality for managing your Android device with ease and comfort. It features three main tools: Storage Explorer, Instant Search, and Process Cleaner, all with customizable preferences.

Storage Explorer is a powerful file manager that allows you to search, create, rename, cut, copy, paste, zip, unzip, and share files and folders. With its user-friendly interface, you can easily manage all your storage needs in one place.

Instant Search is an effective way to search for anything within your device, with features like Gesture Search and Voice Search. You can easily access your previously searched items, making it a convenient tool for quick access to your most-used apps and files.

Process Cleaner is a memory cleaner that helps boost your device's performance by freeing up memory. You can select and kill unnecessary processes and services to optimize your device's speed.

Device Essential can be run as a system app with quick access from the notification area. It also offers a full-screen mode and a customizable widget that can be added to your home or lock screen.

Overall, Device Essential is a great tool for managing your Android device, with its user-friendly interface and customizable features. Best of all, it's completely free to use.