It's unlikely. If and when the Nexus 5 comes out, the remaining supplies of Nexus 4's will be sold out to make way for the next generation device.
Since the Nexus S, Google brought out the Galaxy Nexus, Nexus 4, and Nexus 5.
The Google Nexus One Android cellphone is available via Amazon.
Google, with a collaboration with manufacturer LG.
There is not a product from Google which is named 'Google I' There are however products such as Google TV, Nexus One, Nexus S, Galaxy Nexus, Chromebook and also Chromebox.
Yes, it is available in the Google Play store.
Yes, Instagram is available on the Google Play Store or the Amazon Appstore.
I believe the Nexus 4 decbuted in India on May 2013, selling on the Indian online merchant Flipkart.
The Google Nexus S is from T-Mobile and Sprint.
It never did. It was only available unlocked from Google, "locked" on Verizon and Sprint.
You are able to purchase the Nexus 7 on online vendor websites, such as Future Shop or Best Buy. As well as this, the official Store offers the Nexus 7 available for purchase.
I believe the Netgear PTV3000 and the LG DWD-300 are two that work on the Nexus 4.