What makes V-pop unique ?  

I feel it is the culture behind it as well as the blends they pull inspiration from. A lot of vpop artists almost mirror what was popular in the west in the mid to late 90s and more people love this era of music. 

I think that it has a more original feel to the music. As mentioned, they are taking the best from the mid to late 1990's from around the world and meshing it with Vietnam's pop and urban scene to create something fresh, fun, and exciting. 

For me, everything. It does sound similar to other countrys' pop genres in terms of what is trendy but I feel like vpop does it best. They get a good mix of what works, blend style and storytelling. The lyrics are almost always better.