The hard thing to get about Android is that there's no "best" handset - this isn't iOS, it's not "take it or leave it" country.
You need to choose the handset which works for you - that means looking at things like size, weight, screen resolution, battery life and finding what works for you.
A phone with a big (4.3in) display is often too bulky to lug around but the smaller phones may not be ideal for some apps - and so on.
Some phones have FAR better cameras that others, so if that's what you're keen on you need to look at those.
Here we offer choices y'see - rather than just ramming a one-size-fits-all solution at everyone - means you need to work at it a bit...