Android has quickly become a force to be reckoned with. It currently stands as the most popular smartphone OS worldwide and is on the right path to keep growing as users move away from feature phones in the years to come. But Android did not exist as we know it a short few years ago.

The infographic below gives some perspective on the evolution of Android since Google acquired it in 2005 to this day. While highlighting some of Android's most impressive milestones, the graph certainly misses on the challenges ahead: fully becoming a tablet contender and fixing Android version upgrades for a majority of users (it's estimated that over half of all Android users still run Gingerbread or lower).

And yet, with over 250 million devices activated this year alone, who is complaining...