1. Do you find it easy to discover new apps on the Android Market?
No. I don't rely on the Android Market to discover new apps. I might do a search on a type of app that I need. I will read the posted description and reviews to get started, but then I also google the App names it returns for reviews and comparisons by sites such as AndroidCentral.
2. Do you rely on recommendations or do you search categories to find new games?
Don't play many games, actually, so I might not be in your target category.
3. What is the most annoying problem with a new game e.g. force close, poor graphics?
Freezing or force closes are the most annoying. I get bugged if I fail for a reason that's computer related, not my fault.
4. Do you read the instructions on how to play or just Wing it?
Read the instructions, as long as they're about a screen or two. More than that I do start winging it on the initial instructions.
5. When would you pay for a game? (Other than mobile versions of best selling PC/PSP etc games).
Nostalgia. I tend to like to relax sometimes by playing simpler games I used to play for hours as a kid, like DigDug, Zelda, Mario Bros. I've been playing a little Angry Birds because I saw someone else playing it and it looked fun. (Again, I might not be your target demographic.

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6. Do you play games where multiplayer involves passing the handset round?
No.
7. Do you prefer single player or multiplayer games?
Single
8. Where do you download most of your games i.e. Android market, Amazon, GetJar?
Android Market. I say away from Amazon. The installer and the market annoy me. I used to use AppBrain.
9. Do you like games where you can upload your scores to Facebook or other websites?
Not a big thing for me. I tend to not populate my stream with that kind of info, unless there's something really novel or inventive that I think others should know about.
10. Do you recommend games you like to friends?
I have, but since I don't play a lot, it's not first on my mind, to be honest.