Mockup Builder is an Android application developed by Aakash Kumar. This free app falls under the Lifestyle category and is a great tool for creating mobile mock-ups on the go. With the easy drag and drop interface, you can create any mobile mock-up you want. You no longer have to wait until you are in front of your desktop or laptop to create that mock-up you have been thinking about all day.

Using this app, you can click on an element and drag it anywhere on the screen. You can also change its properties, including colors, text, styles, padding, and more. The app is user-friendly and provides a simple way to create mock-ups for your mobile devices. It's perfect for anyone who wants to quickly and easily create a mock-up without any hassle.