Help filtering json data?

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#1

I am getting all apps packages name of device by package manager extension by Taifun.It return all the apps including system app packages. I want to return apps except the system.
It gets data like

[

     {"package name":"com.google.android.youtube",

      "app name":"YouTube",                       

      "version name":"12.32.59",                  

      "version code":1232593400,                  

      "icon":"\/storage\/emulated\/0\/Pictures\/.Packages\/com.google.android.youtube.png"},

     {"package name":"com.google.android.googlequicksearchbox",                             

      "app name":"Google","version name":"7.8.22.21.arm64",                                  

      "version code":300745809,                                                              

      "icon":"\/storage\/emulated\/0\/Pictures\/.Packages\/com.google.android.googlequicksearchbox.png"},

     {"package name":"org.telegram.messenger",                                                     

      "app name":"Telegram",                                                                       

      "version name":"4.2.2",                                                                      

      "version code":10593,                                                                        

      "icon":"\/storage\/emulated\/0\/Pictures\/.Packages\/org.telegram.messenger.png"}

     ...

    ]

I am displaying this in list .

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How can this possible to return apps except system apps?

#2