csl. 5G Lens is an Android app developed by CSL Mobile Limited that utilizes AR (Augmented Reality) technology to provide users with a unique experience of Hong Kong landmarks. With this app, users can witness various demonstrations of AR visual effects over well-known Hong Kong landmarks. The app also offers real-time information and exclusive offers from its partners.

The app is free to download and is available on the Google Play Store. It is categorized as a Lifestyle app and is suitable for anyone who wants to explore Hong Kong in a new way. The app requires Android 7.0 and up to run smoothly.