If you are an iPhone user, you’ve have probably listened to music through YouTube before. You probably also know that you if you lock your phone while playing a YouTube video, the video will stop. Luckily there is a simple and easy way to fix this. All you need to do is install the Jasmine app, which is free in the App Store.The app lets you search and watch YouTube videos and also listen to them by locking your phone. Only downside is the app doesn’t let you log in to your Google account to like, upload videos, and comment. Try this app and comment on what you think of it.