Sudden - Match, Chat and Friendship is a free Android social and communication application developed by Sudden. The program aims to make it easy for users to find new friends or partners by matching them based on their interests and preferences. The app also offers language learning features to help users improve their communication skills in foreign languages.

The app's interface is straightforward and user-friendly, making it easy to navigate and find matches. Users can create profiles and add photos, and then browse through potential matches based on their location, interests, and other criteria. The language learning feature includes a chat function, which allows users to practice their language skills with native speakers. Overall, Sudden - Match, Chat and Friendship is a great app for those looking to expand their social circle or improve their language skills.