I recently did a research mini-project for a startup in Shanghai and I found this site useful: http://xyo.net http://xyo.net. They have apps data by iOS/Android

I recently did a research mini-project for a startup in Shanghai and I found this site useful: http://xyo.net http://xyo.net. They have apps data by iOS/Android by category by country. Agree with t0 that screen scrape will do in most case. Download free version from screen-scraper.com and go through their tutorial. I have no tech background by manage to scrape information I need. Good luck.