ڈاؤن لوڈ: Knock on Ports 1.0.9 APK

Active Knocker

3.8

Port Knocker

4.5

Bitdefender Mobile Security

4.7

PortDroid

4.2

Remote Desktop

3.5

Norton360 Mobile Virus Scanner

4.7

Termius - SSH and SFTP client

4.4

Network IP Port Scanner

4.3

Do Not Disturb Funny Prankster

4.4

Anti Spy Detector - Spyware

4.6

UptimeRobot: Monitor anything!

4.1

Can Knockdown 3

4.5

Knock Knock

3.1

RealVNC Viewer: Remote Desktop

4.5

WolOn - Wake on LAN Widgets

4.7

Stop hacking : spy scanner

4

Do Not Disturb 3: Mr. Marmot

4.5

Shield: Antivirus Home Screen

4.3

Hit Bottles Knock Down

4.2

File Viewer for Android

4.3