MobileKnox is a password manager with many features:
* Encryption standard AES
* Automatic lock
* Generate passwords by shaking the phone
* Synchronization with free DesktopKnox
* Lists entries used nearby
* SD card installation
For more information visit www.mobileknox.com
PingPong - a ping application for Android - tests whether a particular host is reachable. For this, it first tries to use ICMP. If this fails, it utilizes a TCP connection on port 7 (echo). It also measures the round trip time and packet loss.
Works best on WiFi and if host supports ICMP and echo.