1. Any tablet with Android is an Android Tablet. There are right now about 100 different Android tablets. Actually, There are about 7 different Android tablets, but over 100 different shops reselling one of the same units
2. Unless the Manufacturer complies and meets Google specifications and pays a use fee, there will not be Android Market installed that works. There are many alternate sources. The most popular I think is Slideme
3. You need to research. This is a common problem. You need to configure your tablet to connect correctly in settings. And you may need to install a driver for your PC.
There are also connection problems for 64bit Win7 and Android.
Research and read, these questions have been asked and answered before.