This document describes how to use the 1TopSpy cell phone tracking software to track Viber messages on Android phones. It claims 1TopSpy is powerful software that can track location, texts, calls, social media messages, photos and more on any phone. It provides instructions on downloading and installing 1TopSpy on the target phone and logging into the online account to begin monitoring. Customer testimonials praise 1TopSpy for helping parents monitor children's safety and businesses track employees.