I used it for 2-3 projects a while ago
This is not a mistake, sometimes you are stuck with some functionality. This has happened to me many times.
It works well for creating applications for the iPhone, but at the time I used it (a few months ago), Android support was very bad, newer versions have styles and resource files for localization, this is good, but I didn’t try their
, , iPhone Android, SDK
, , ( Bluetooth, , ..), SDK -,