"Threats targeting the Macintosh platform are much less common than those targeting Windows. The same can be said about video games, where Windows is the dominate platform of the two. Combining games and malware has happened before, but a Mac game performing malicious activities? That’s something relatively new."
They can do wonderful products and they can be real pain. I hate being in the position of saying to my customer the provider I used to publish their software does not provide the requested option, specially when it comes to simple statistics. When you publish an iOS app on the App Store, it is impossible to know the number of app downloads before the last 26 weeks.
Openness is loved by android users, but the idea spreads fast into the Malware coders mind. The DroidDream app recently took Google by surprise: the app simply wipes off your phone, takes your data.