If you want to develop apps for your phone, you can enable developer's options in 
		Settings. 
	 
 
  
 
	 - 
		  Go to 
				Settings. 
			 
		
- 
		  Do one of the following: 
			 
		  
		
-  
		  Tap 
			 Build number seven times or more until you see the message 
			 You are now a developer. 
		   
		
 
		When you return to the 
		  System or 
		  Settings screen, you'll see the 
		  Developer options setting.