I think you need privacy, which means that you need Telegram, a new app for Android. Telegram is an application based on safety, speed and simplicity, and it is free. Messages are securely encrypted, and they can self-destruct, for this you can use Secret Chats to make sure that the message will be read only by the one whom the message is sent. Messages can be programmed to self-destruct; therefore it will never be a record of theirs.
You can access your messages on multiple devices, and also you can send messages much more quickly than on other applications.
Withal using Telegram, you have no limitation regarding the dimension of your chats or the size of the media.
You can create chat groups up to 200 people to be able to stay connected in the same time with several people.
Telegram application is available for free download via Google Play Store from here.
You can also share videos up to 1GB; you can send multiple pictures on the web, or send any media you wish and really fast.
