Now Cleaner is an Android phone cleaning app, which can clean up the phone's junk files, cool down your phone, and free up memory. It can also analyze and find out the battery-draining apps. 

To use Now Cleaner, just download and install it. After that, you can click the “Junk Clean” button to clean up the phone's junk files, and the “Phone Booster” button to clean up the memory. You can also set the time to launch the apps that you want to clean up.

Now Cleaner works in the background. You can close the app and work on other things while the cleaning process is happening. You can also see the results of the cleaning process.

To use Now Cleaner, you just need to click the “Junk Clean” button, and you will see a new screen with all the apps that you have installed. You can also click on the apps to see how much memory they take.