Update: While the app is no longer behind the Play Store beta wall, Opera is apparently waiting before they throw the switch. The Opera blog post said access to the general public was first come, first serve, but there's a waiting list in the app right now. Opera is allowing everyone access, but it's happening slowly, probably to manage server load.
Unlimited data is becoming a rarity these days, so you might need to watch your usage more closely.
Speaking at SIGGRAPH 2012, a yearly computer graphics convention featuring some of the most prominent names in the business, Khronos unveiled updates for several key OpenGL properties including the specs for Open GL ES 3.0. OpenGL ES is the primary graphics API for mobile device platforms, including Android and iOS. As you would expect, the updates are rather technical, but here's an overview of what we can expect in the future.