Recently there's been a noticeable influx of great Android games. This is besides the slew of 3D titles heading to the LG Optimus 3D and a second wave of PS1 classics hitting the Xperia Play . There's also a healthy glut of games available in the Android Market; we've rounded up four of the best here for your perusal and delectation. Keep in mind that Gameloft UK is giving away a free game today, tomorrow and on Sunday; keep an eye out for announcements on Twitter ( @Gameloft_UK ) and Facebook . If there ever was a weekend for you to get your Android game on, it was this weekend. Apparatus Apparatus is a physics-based puzzle game (yes, another one) where you have to get a marble from A to B by clever placement of wooden planks and supports. It's not the first Android physics 'em up we've seen (or indeed have written about ). But we love the crisp, 3D graphics and fluid pinch to zoom, which allows you to easily see the bigger picture and get up close to examine trickier problems. We'd recommend it to anyone on the basis that it's a very slick puzzle game. But what's really amazing about Apparatus is the sandbox feature. This allows you to create whatever complicated structures you can dream up, run simulations and upload your creations to a community area. Here, you can have a go with other people's efforts, like mrshad0w's catapult unsolved v0.5. The first few levels