you can use any web-based solutions for chat servers, by using the XMLHttpRequest in QML. There is no built-in support for chats in V-Play (yet). Please use our roadmap to suggest this feature for the upcoming V-Play Game Network.
Cloud storage and social connection is coming with the new V-Play Game Network, with a first version available in September! For more details about it, you can also follow this blog post (mind the note in the end of the article 😉
There is a 2.5D tile based game made with V-Play available in the app stores called “Blockoban“.You can contact the authors of the game via the announcement thread here for details how they implemented it, or follow their trails in our support forums.