Phone World Records

Yanhao Deng draws a circle freehand on a phone screen in Chenzhou, Hunan, China, and Luomashu's Circle Challenge page (画圆挑战) grades its roundness at 95.5 percent. The screen recording shows the touch marker tracing one continuous stroke that closes on its starting point, then the page's report: a fitted radius of 269 pixels with an average deviation of just 3.7 pixels. Earlier tries in the same recording score between 79.1 and 85.1 percent, which tells you how hard a 95.5 is.

Pavol Durdik stacked nine fidget spinners on a smart phone held in his hand in 10 seconds.

Zoilo Adalia balanced a cell phone on his head for one hour, 0.41 second.

Kai Yi Lim solved a 2x2 Rubik's cube on the Magic Cube Puzzle 3D game app in 6.75 seconds.

Michael Martin ripped a phone book in half in 0.75 second.

Pavol Durdik spun a fidget spinner on a cellphone for three minutes, 35.00 seconds.

Aaron and Kendra tossed a phone to each other 38 times in 30 seconds.

April Choi performed seven yo-yo plastic whips while talking to her friend, Brian, on the phone.

Louie F. calculated 1+1 on an iPhone calculator in 0.80 second.

Elijah D. stacked 48 gift cards on a phone.

Tristan and his friends played the song Africa on four iPhones at once.

Doug McManaman balanced a cell phone on top of a pool cue on his chin for two minutes, 29.75 seconds while kneeling.

Ren L. called someone 15 times in a row and had her say "Hello?" without saying anything.

Suresh Gaur balanced a cell phone on top of a pool cue on his forehead for one minute, 31.33 seconds while sitting.

Alterazioni waited for 15 minutes, 57.64 seconds before a customer service agent answered him.

Mark Evans balanced a cell phone on top of a drumstick on his index finger for 20 minutes, 53.72 seconds.