Refill me - Call me

* App features:
1. Easy to use.
2. It saves your information you do not need to enter it again.
3. Friendly interface based on "Material Design".
4. It can saves endless list of contacts to send a call me message.

* How to use Refill me:
A. Refill your phone:
1. Enter refill code.
2. Click "Refill" button to refill.
3. Click the question mark in the bottom to know your remaining credit.

B. Send Call me:
1. Slide from the left to show the navigation drawer.
2. Click Call me.
3. Click the plus button in the bottom to add a contact.
4. Choose the contact from the list.
5. Click the green button to send call me.
6. Click the delete button to delete the contact.

C. Edit your information:
1. Slide from the left to show the navigation drawer.
2. Click Edit.
3. Enter the new ID number and the new operator.
4. Enter "OK" to change your information.
5. Enter "CANCEL" to cancel your action.