First, you have to download keylogger app for Android on the phone or tablet you want to monitor. Download Android Keylogger apk from www.installAK.com.
After you have downloaded free keylogger for android, tap on it and install it. Then click "Open", Next, enter your Email and click "Complete installation".
You will receive an Email with your password shortly. Open it and get your login and password details. Then visit your Private Area and log in. That's it!