Thanks for previous replies,
Is it possible to get Package name of camera application which is installed on the device? If the OS is customized the default package n
I guess it is impossible or possible with some precision. You can enumerate all system packages (applications that are provided with the device) and try to select the package that has CAMERA permission. But this approach can give you several applications, because several applications can use camera for their needs. But in general case I guess this is impossible.