CSL is a mobile application that serves as a communication platform between users and the CSL portal. It is available for Android devices and is free to use. The app provides push notifications to keep users informed about various activities on the portal, such as reading or reviewing communication from CSL or authorizing a document that requires their attention.

The CSL app is user-friendly and easy to navigate. It has a simple interface that allows users to quickly access the information they need. The push notification feature is particularly useful for keeping users up-to-date with the latest news from the portal. However, the app's functionality is limited to communication with the CSL portal and does not offer any additional features. Overall, the CSL app is a reliable and efficient tool for staying connected with the CSL portal.