The Android Market has reached 10 billion downloads and still counting as of this past weekend. To celebrate and reward Android customers, Google selected paid apps to be available for only 10 cents each and new set of apps for promotion each day for the next 10 days. Here are some of the applications and a mini review if these apps are at least your effort and time.

1. Asphalt 6: Adrenaline HD

From the word asphalt, it is a game of thrilling arcade racing. There are 42 cars to open and bikes from Ferrari, Lamborghini and Ducati to collect in the 3D garage. The game is available in single player, multiplayer and even online that up to 6 racers can fight for the finish line. Locations like Los Angeles, Tokyo and the Bahamas are open for the road fights rendered in HD graphics. High-end smartphone owners with fast processors are going to enjoy this thrilling race, beautiful graphics and great steering with the accelerometer. Average User Rating: 3.9

2. Color & Draw for Kids: Phone Edition

Not everyone is gifted with the skill of drawing or drafting but owners of smartphones could instead turn to the digital world. This application is for kids and adults too. It features draw, sketch and color in white or black backgrounds. It is also a colouring book application with 50 exquisite drawings of fun topics like animals or landscapes. The Artistic Springboard base is an "incomplete" drawing which guides children through voice instructions to complete the canvass but in a creative manner and interaction. This digital sketchbook/colouring book features 50 cute/smart custom illustrations, fun and age appropriate themes, save drawings in the photo album, 50 voiceover invitations, real finger painting, and multiple eraser options. Average User Rating: 3.7

3. Endomondo Sports Tracker PRO

This app is for smartphone owners who want to engage in sports away from the gym or want to socialise while working out but they are somewhere else. Endomondo Sports Tracker will monitor your sport in real time and allows challenge to friends using the built-in GPS. This application makes fitness more fun by acting as personal trainer and social fitness partner. It is ideal for running, cycling, walking and similar physical activities.

Monitoring using this sports tracker includes: graphs for speed and altitude curves, lap times, and playlists that interacts with the map; audio coach to help improve performance from previous record, low power mode to increases battery standby time; time goal; and calorie goal set for instant live audio feedback during workout

Other features are: GPS tracking of time, distance, speed, and calories; audio feedback for every mile and kilometre, workout route, lap histories, sharing for Facebook, route downloading, news feed and much more. Average User Ratings: 4.6

4. Fieldrunners HD

There is a lot of Tower Defense in the Internet, Local Gaming Networks, and even in the Android Market. One of them is the IGF Best Mobile Game Awardee - Fieldrunners HD. The goal of this game is not to let your enemies survive and pass you by.

Fieldrunners HD includes more than 400 waves of enemies across 4 battlefields, 7 awesome weapons, HD visuals, several fun game modes and difficulty levels. The application supports tablet devices as well. Average User Ratings: 4.4

5. Great Little War Game

While the Fieldrunners defends the base, these little men will invade neighbours, spread mayhem and destruction, and then drink tea later. GLWG is the hit 3D turn-based strategy game. The game includes campaign mode, multiplayer, skirmish, four difficult settings, lush visuals, full 3D terrain, simple controls, a lot of units/terrains and humour. The game guarantees neither birds nor zombies. The aim of the player is to take whoever crosses his path through invasion by land, sea or air, which could be achieved through great strategy. Average User Ratings: 4.6

6. Minecraft - Pocket Edition

This app would be appreciated by smartphone owners who are bored during travel or love to play puzzle games or often live in their own world. Minecraft allows the owner to build his own world using 36 kinds of blocks. The game allows randomisation of worlds, construction of anything you can think of, inviting and playing with friends to your world (local wireless network required) and even saving the multiplayer world on the phone. Average User Ratings: 4.3

7. Paper Camera

Photo editing applications are loaded in the Android Market, but this one provides a different view of modifying photos taken by turning it to classic paper image. Paper Camera allows the user to modify pictures, see the world through a novel, original, stylish and captivating lens. Real time cartoon and painting effects are displayed on the camera feed. The application has wide collection of cartoon/sketch/comic book/half tone/noir/neon and other effects painted directly in your camera with effects in real-time. As the camera lens views a scene, the user can see on the screen that everything is in a different world, and by waving the phone the stylish cartoon effects automatically apply. Average User Rating: 4.5

8. Sketchbook Mobile

The Sketchbook Mobile unleashes the creativity of the owner through the Android and offers professional-grade paint and drawing application with a full set of sketching tools and streamlined, intuitive user interface. However, this application also requires a "professional device" - multi touch device Android 2.1 or above with 1GHz processor/512MB Ram. Average User Rating: 4.6

9. Soundhound Infinity

Sony Ericsson has a TrackID to find songs patterned from a recorded file, Android has SoundHound Infinity. It identifies songs fast with it unlimited music recognition, making this application the best there is in music searching. SoundHound includes fast music recognition of tunes under 4 seconds, singing and humming recognition, song previews, lyrics, music videos, sharing to Facebook and Twitter, geo tagging and more. Average User Rating: 4.7

10. SwiftKey X Keyboard

All smartphones have their own built-in virtual keyboards and most of the time they are already intelligent on their own with the help of dictionaries inside the device. But grammar and sentence building is a little bit advanced for this built-in keyboard, so SwiftKey X Keyboard provided a solution for this possible need.

This keyboard application makes Android typing easier by replacing the touchscreen keys with a smarter one capable of how words work together, giving more accurate corrections and predictions as well. Unlike other keyboards, SwiftKey X can learn as the owner uses it, making typing easier and even more accurate over time. The owner can also personalise it using Gmail, Facebook, Twitter or blog posts. SwiftKey X supports several languages and allows up to three languages simultaneously for multilingual people. Average User Rating: 4.6

After 10 days, another 10 applications would be available on the Android Market for 10 cents each.

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