Bitesnap is a fun and easy way to track what you eat.
Measure makes everyday measurement tasks possible to do on your Android phone.
Screen Ruler is a nice little utility that helps you measure the size of various elements on your screen in pixels.
Page Ruler helps you get pixel dimensions and positioning of various elements on a webpage.
Need help with cutting various materials? Cut Micro helps you find the details of cutting so you know what and where to cut.