With a number of different tiles that all need to be matched up and others that have special requirements such as requiring keys to be matched first. (n4g.com)
Rather than dialogue options, however, you are provided with different tiles that represent different emotional states (curiosity, friendship, love, anger, sadness). (gamespew.com)
You can also use different tile sizes, allowing you to view live tile information on a larger tile or fit many more app shortcuts on a single screen. (howtogeek.com)