yes, but with apple's $30 adaptor
Yu will need to use an adaptor, one is provided as standard with the handset.
For current iPhones, no. It is possible that the next version of the iPhone released on ATT will be compatible with 4G, but that is still unknown.
iPhone, iPhone 3G, and iPhone 3GS
Not without a Qi compatible external iPhone shell.
no, ibooks is only compatible with an iphone
Yes, they make and manufacture mounts that are compatible with both the IPhone 4 and the IPhone 4s.It's called the "Glif" and it's available and most retail store's.
The iphone 5c is bigger than the iphone 5.
Yes
Yes
It's perfectly compatible. When pairing the 2 devices (iphone and HT-X810) you must enter the PIN "0000" on your iphone.
Are there any adobe programes compatible with iPhone's safari browser? Of most relevance is the flash player.
iPhone and iPod touch games (or other apps) are never compatible with an iPod nano.