Ping is a free Android utility tool developed by WisdomStar that allows users to request ICMP packets and display ICMP response times. The program's primary function is to test the connectivity and response time of a network or server.

With Ping, users can easily test the response time of any IP address by simply inputting the IP address into the program. Ping then sends a series of ICMP packets to the IP address and displays the response times in milliseconds. Additionally, the program includes a pull-down menu that remembers the last 20 IP addresses used, making it easy to test frequently used IP addresses.

Overall, Ping is a simple and useful tool for anyone looking to test network or server connectivity. Its user-friendly interface and straightforward functionality make it a must-have for any Android user in need of a reliable ping tool.