1.YO? - Sends the word 'Yo,' but to a complete stranger.
2.MEH - Only sends the word 'Meh.' Very popular in the UK.
3.JO - Can send any message, but only to people named Jo.
4.CROW - A crow immediately flies to the recipient with a message. That message is 'Yo.'
5.BRO - Sends the word bro, then adds the user to a database that can be cross-checked by potential employers.
6.BEAU - Is automatically and irreversibly installed on every French person's phone, allowing the rest of the world to send them 'Yo' continually. They cannot respond in any way.
7.LO - Automatically sends an announcement to any room you are about to enter, thunderously exclaiming 'LO!' as you open the door.
8.HO - App created by Ludacris, which will return the area code of the person you are currently talking to on Tinder.
9.HOE - Hits someone over the head with a hoe.
10.YEAUX - Hipster Yo. Can only be installed on one phone before being removed from the app store.
11.HOW - A way to express the fact that the world confuses you.
12.WHY - Claims to be a way to alert people to something bad that's happened to you, but actually just responds with LOL.
13.THOREAU - Sends Henry David Thoreau quotes. But not good ones, just mundane extracts from his personal correspondance.
14.MERLOT - Instantly provides you with a sub-par bottle of Merlot.
15.PHO - Does not provide Pho, but instead sends pictures of other people eating Pho.
16.YOLO - Gives the recipient a deep understanding of their place in the universe, filling with them a sense of ennui and the acknowledgement of their un-fullfilled potential.
