An Android port of Nmap (<a href="https://www.google.com/url?q=https://www.google.com/url?q%3Dhttp://nmap.org%26sa%3DD%26usg%3DAFQjCNG3pdc9r43gC5vZ00LhK2paGb-8Iw&sa=D&usg=AFQjCNEdyVuRvUMEo5gDNyNpy4UZsUQQGg" target="_blank">http://nmap.org</a>). Allows you to port scan any hostname or IP address.
Some, but not all, features require root.
Only ARM android devices are supported.