Life-saving call

Emergency Calls Program. It is necessary both for people who find themselves in an emergency and sending a rescue call, and for subscribers on the other side who receive this call.
Brief description of the application functions:
1) the ability to quickly and efficiently contact the right people, even being in a stressful situation, being sick or with poor eyesight;
2) filtering of incoming calls, which allows you to inform the subscriber about a call from a loved one using a special window (Caller ID, spam detection, and spam blocking).
The program is also useful for busy, elderly, visually impaired people, children and all people whose phone contains 2 active SIM cards (excludes the possibility of calling from the wrong SIM card).
Extended description of application functions:
1) Simple and convenient making of phone calls to the people you need.
2) Informing the subscriber about a call from a loved one. When an incoming call from a subscriber saved in the memory of this application, a small window appears with the name of the caller and his number, the same color as the corresponding button on the main screen of the application.
3) No time wasted searching for the desired subscriber, since the call buttons for the people most important to you are located on the main screen of the application.
4) Visual presentation of the list of subscribers in the form of large buttons of various colors. This makes it possible to very quickly find the right subscriber even being in a stressful situation, with poor eyesight or being ill.
5) Ability to determine the number of subscribers on the main screen yourself. The sizes of the call buttons change dynamically.
6) The presence of a separate screen for calling various services, including emergency services (ambulance, police, etc.).
7) Linking phone numbers to a specific SIM card. This eliminates the possibility of calling from the wrong SIM card (it excludes the possibility of calling from the card of the wrong operator).
8) When calling services, you can quickly switch the SIM card.
9) Ability to import subscriber numbers from the telephone directory into the memory of the "life-saving call" application.
Close people - subscribers in the "List of subscribers" (Settings screen).
Adding a loved one:
1) Go to Settings;
2) Fill in the fields "Name" and "Number";
3) Use the lever to select the SIM card;
4) Click on the "Save" button !!!;
5) Subscriber data should appear in the "List of subscribers" (bottom of the settings screen).