I hope Sony will implement these features, otherwise the API is kind of useless for many scenarios. Here is an interesting article about exactly this demand: http://blog.programmableweb.com/2013/09/10/new-sony-camera-remote-api-leaves-developers-wanting-more/
I would be very happy to know if the features will be implemented in the future. Knowing this we could already start developing apps otherwise it makes no sense...