New Delhi, June 9 -- When you hear the term "Android laptop," what do you picture? A blown-up smartphone? A tablet with a keyboard? Or just clever marketing?

I spent the past month using the Primebook S WiFi, an Android-based laptop priced under Rs.15,000. A laptop powered by PrimeOS, it's not something you come across every day, right?

If you've used Android smartphones before (which, let's be honest, most of us have), then getting around PrimeOS won't take long. The layout feels familiar, and the learning curve is gentle. But when it comes to performance, does it work like the usual Windows laptop in terms of speed, controls, multitasking, and battery life? Or is it just an Android phone in disguise? That's what I set out to discover....