Hoverwatch is a type of cell phone tracking software that is made to track the positioning, messages, and other pursuits on a device. I do not need a way to access reading user reviews, in general users tends to set up this sort of software to monitor the activity of the children or employees, or even to track a missing or stolen device. 

A cell phone tracker is a software program or hardware that's installed on a portable device or computer in order to track its location, in addition to other information such as for instance calls and messages. This technology may be used to track the whereabouts of children, employees, or even lost or stolen devices. Some tracking apps are made specifically for Android devices, which run using the Android operating system. These apps are usually used to monitor the positioning of a device in real-time and can also provide historical location data.

Some of the functionality it provides include:

Tracking the device's location in real-time, in addition to historical location data.
Recording and saving of incoming and outgoing calls and SMS/MMS messages.
Taking screenshots of the device's screen at specific intervals.
Keeping a log of most websites visited on the device.
Monitoring instant messaging apps such as for instance WhatsApp, Facebook Messenger, Viber, and Skype.
Detecting and recording keystrokes on the device.

Many people report that the program is easy to use and provides accurate tracking information, while others may have difficulties with accuracy or encounter bugs.
It's worth to mention that, some people find this sort of software to be an invasion of privacy and may have ethical concerns about deploying it to monitor someone without their knowledge or consent.

It's worth mentioning that, the exact group of features made available from Hoverwatch can vary greatly depending on the version you are using, the device and plan you've, and a number of them may require root access, so it is advisable to check on the state website or the terms of service to ensure the feature you need is provided and it's legal to use.