<i>Port Knocker</i> is a port knocking utility application for Android. Features: * Ability to save/use profiles * Supports one time sequences, automatically rotates port sequence when sequence list is provided * Stores knock history * Ability to check open port after knocking, to check for a successful knock Behavior notes: * When using one time sequences and open port checking, sequence rotation will only occur if the port knock was considered successful. * If using the one time sequence feature, the next port sequence will be shown between in the parentheses in the profile list. * The connect timeout for each port knock is 1000 ms. * History will store the last 100 knocks.