Mi File Manager - File Management and File Sharing
Twinme - Twinme – Private Messenger is a free, secure, instant, and high-definition messaging app that protects your privacy along with giving you full control over each of your relationships and contents.
OI File Manager - OpenIntents is a community effort to promote and discuss the use of Android intents and similar concept of modern mobile platforms.
Textra - Textra is a seriously beautiful, feature rich SMS and MMS app.
File Commander – File Manager/Explorer - File Commander – File Manager/Explorer is a world’s leading and powerful file manager that lets you handle any file on your Android device, cloud storage or network location via the clean and intuitive interface.
Material Messaging - Material Messaging is a beautiful communication app that lets you send and receive SMS and MMS messages using the intuitive interface while giving you complete control over every aspect of your messaging experience.