Quick Memo is a free Android app that allows you to quickly jot down notes and memos on your device. It offers a range of features that make it easy to use and customize.

With Quick Memo, you can start the app from the notification bar or with a long press of the search key. One of the most useful features is the ability to write a memo on the screen you are currently viewing. You can choose between a white or yellow background, and even use the capture function of your mobile phone to take screenshots when the background is transparent.

Another handy feature is the ability to double-tap the pen to set the pen size, or double-tap the eraser to set the eraser size. You can easily save your memos and share them with your friends.

Overall, Quick Memo is a great app for anyone who needs to quickly jot down notes or ideas. It's easy to use and offers a range of customization options that make it a great choice for anyone looking for a simple note-taking app.