I had never made a game like this before, so I thought it would fun to try it out. Here is what I completed in less than 2 hours: [login to view URL]
I use the Stencyl game creation engine. It can export to flash, windows .exe, mac .app, iOS and android. As my profile states, I specialize in creating mechanics in a fast time frame. Artwork usually takes the longest amount of time for me. Since you would be providing it, I think that 4 levels would make for very quick work.
My apologies that my profile is not extensive, as I just joined freelancer.com. I have been using [login to view URL] for a few weeks and just found this site yesterday. I put in a price because it was a requirement, however I am willing to negotiate.
I look forward to hearing from you,
Chuck