Companies like HTC and LG have an uphill climb following the Samsung Galaxy S4 announcement. Here's what they must do.

After months of rumors and speculation, and one rather awkward press event, the Samsung Galaxy S4 is now an official smartphone. Indeed, we still have a month or more before it actually arrives, but Samsung has again changed the game for Android.

Or has it? What does the Samsung Galaxy S4 mean for other Android players and how should they react in the wake of the big reveal? As I see it, there are three important lessons to be learned from Samsung and the Galaxy S4.

Go big or go home
Watching last night's press event unfold, I came away with one big takeaway: Samsung will do whatever it can to get people chatting about its smartphones. Sure, I'm certainly not the only one who found the presentation of the Galaxy S4 to be cheesy, goofy, and even painful. But you know what? Everybody is talking about the phone today, right?

When we actually get the S4 in stores, I doubt that few people will even remember the stilted shenanigans. Yet, you can't deny that yesterday Samsung got your attention, for better or for