not sure if its on mobile only, but a poke ball appears in the bottom right of the screen when you type in one of the original 151 Pokemon names. pretty neat!
https://gamefaqs.gamespot.com/a/forum/6/62edbc6f.jpg
http://i.imgur.com/hwZyGuA.jpg - courtesy of the homie United_World
haters can't stand me, like they got polio.