RE: I’ve set the Google API Keys and seems it works in the Backend, but they won’t show in the Default Template, is this right?
Correct, only the premium templates display the Google Map on the front end.
RE: Is there a chance to get some invidiual offer for some Template/extension Package?
Yes, every item is available individually and in a bundle. The bundles are found on these pages:
I hope I’ve answered your questions thoroughly!