Chrome Remote Desktop
While there are plenty of remote desktop apps for Android, Chrome Remote Desktop has the advantage of being simple, free and unlimited, and it doesn’t need any additional client software if you already use the Chrome browser on your computer. Just add the Remote Desktop app in Chrome, set up a PIN for remote access, and you can quickly get to your entire desktop. It’s handy if you need to send yourself a file or check on a desktop program.
Link: Chrome Remote Desktop (Free)
Securely access your computers from your Android device.
• On your Android device, open the app and tap on any of your online computers to connect.