Love is 58, moon is 32, dog is 17, memory is 334. Do you know the trick behind this? The Major System is a powerful mnemonic technique to memorize numbers. You need to invest some time to use it comfortably, but after that, you can memorize all sorts of numbers, such as phone numbers, passwords, birthdays and etc.
It's secure to download Mnemonic Major System. Cyandroid is the developer of the tool which can be found in the Educational category. Over 1K users set up this application and its most recent update was released on Dec 6, 2014.
On Google Play, the app is rated 3.8 by its users. You can get the setup package of Mnemonic Major System 2.0.3 for free and take a look at users' reviews on Droid Informer.