Calculate alcohol content from blood after you go out and find when you are safe to drive.
Promote your mobile apps on your blog using this free widget for Wordpress or ... make app promotions campaigns on your blog for others developers and make some money.
Convert your PSD mockup to valid responsive HTML5/CSS3 template .
The Mobile app widget is easy to install, however if you want it and you do not know how to install it on your server you can hire me for a fee of 5$.
Read the website blog with tutorials about Android or PHP and MySQL programming languages.