Choi Si-won is a singer, actor, and model from South Korea. He is a member of the South Korean boy band, Super Junior and also the Mandopop subgroup, Super Junior-M. Together with Super Junior, Siwon has received various awards in the music field such as the Seoul Music Award, Golden Disk Award, Gaon Chart Award, and Teen Choice Award. Apart from being involved in Super Junior's activities, Siwon is also busy with his own activities.

Choi Siwon entered the military after completing the drama "She Was Pretty". On November 19 2015 with Changmin, they left quietly without any media attention or separation from fans. In February 2016, Siwon was entrusted by the Seoul Metropolitan Police to appear in a social advertisement for “Kind Call 112 Project”, a call to end violence against children. In addition, together with Donghae, TVXQ's Changmin, and Sungje Supernova were selected as ambassadors for the campaign program to fight violence in schools.

How to prank / use this application are:
1. Choose a photo of your favorite artist Siwon Choi
2. Select Video or Voice Call
3. Select the appearance of Whatsapp, Telegram or Facebook video calls
4. Select the time to run (select now - recommendation)
5. Start Fake
6. Wait 2 seconds then the fake call prank with Siwon Choi will run.

With this application you can prank your friends as if you were on the phone of your favorite artist, Siwon Choi. Your friends must think that you have Siwon Choi's phone number. You can also show off with your friends by taking screenshots during a video call and then sharing them on your social media such as Facebook, Instagram, WhatsApp, Twitter and others.

This application is made with a theme similar to Instagram so that it looks cooler, easier to use, and there are 3 video and voice call themes, namely the WhatsApp, Telegram and Facebook themes.