Seoul: Tired of WhatsApp messages and e-mail pings during a key client meet? Well, here comes an app that will lock the smart phone altogether and keep you from using it while engaged in activities such as meetings, conferences and discussions.

Called 'Lock n' LoL' (Lock Your Smartphone and Laugh Out Loud) and developed by researchers from the Korea Advanced Institute of Science and Technology (KAIST) in Daejeon, South Korea, the app helps people restrain themselves from using smart phones during meetings or social gatherings.