Paint Brush is a free Android application developed by Collateral Beauty. This simple yet powerful tool allows users to draw on their tablets or phones, save their creations to the device gallery, and share them on social networks. The app is suitable for both children and adults, making it an excellent choice for anyone who enjoys drawing.

One of the highlights of Paint Brush is its back button feature, which allows users to undo their previous drawing steps. Additionally, the app offers three different sizes of brushes, providing users with more flexibility and control over their artwork. Overall, Paint Brush is a great choice for anyone looking for a free, easy-to-use drawing tool on their Android device.