Blast of yellow and purple on a single flower

This is a capture taken on April 2015. No it is not from a fancy camera nor an expensive macro lens... it is a photo taken with a simple iPhone 5S! What I did to have that kind of macro with the tiny lens iPhone has? I left carefully a tiny drop of water on the lens. That's how it created the macro capability I needed! After that, due to a little distortion, I used for post processing, Skrwt and Snapseed to finish it. Enjoy!