It is a calculator that you can set the color of your choice to suit your smart phone.
You can change freely the color button and character, background.
Easy to use big button, the calculation is simple calculator of only four arithmetic operations.
There is no advertising.


Settings button is displayed when you touch the 1. The top of the screen.

Please select 2. Settings button.
    You can change the color [Back] button, background, calculation of the screen.
    You can change the color of the characters in the calculation screen and [String] button.

Please select the location where you want to change 3. Colors.

Please select the Settings button again while selecting the location where you want to change 4. Colors.

Please choose a favorite color from the selection screen of 5. Colors.

Please save the color settings by pressing 6. [Save] button.


I was allowed to refer to the website at the following URL during development.
yanzm
http://y-anz-m.blogspot.jp/
  Android ColorPickerDialog