A protected WiFi connection is one of the most important aspects of safe internet. Whether personal or business, a secure line of communication is a must when keeping sensitive and confidential pieces of data secure. Umbrella: Portal VPN might just be the first app to utilize multiple encryption protocols and steganography. This free Android app will be the first in its class to use these encryption methods for audio, video, and text chatting. Your conversations are protected by a password that you may use to access them. Note that you will need the password to decrypt, so save it somewhere safe.