Diet Assistant have undergone a UI surgery to use the latest design techniques on Android. Check out the screenshots bellow... there is a video too!
Here is a short demo.
This is the main menu. From here you have access to your diet, available diet plans, chart and your profile. Also by the Menu you can go into the preferences, about page and share the app. What you see at the bottom is tips that pass automatically which tapping on them will show it on a small popup.

This is your profile. Here you can update your details such as food preference, gender and goal weight. From the menu you have access to the weight entries which contains useful information about your progress which is also displayed in a chart.