Simple Blackboard is a free Android app developed by razuma, falling under the category of Utilities & Tools. This blackboard-like app is a versatile tool that can be used as a memo pad or for drawing. It offers two pen colors, white and red, allowing users to write or draw with ease.

The app's interface is simple and user-friendly, making it easy to navigate. Users can easily switch between the two pen colors, undo or redo their actions, and erase any mistakes. Additionally, the app allows users to save their drawings as images, making it easy to share them with others.

Overall, Simple Blackboard is a useful app for anyone who needs a quick and easy way to jot down notes or draw simple sketches. Its simplicity and versatility make it a must-have tool for anyone who needs a digital blackboard on their Android device.