In Tizen based Smartphones, .apk file cannot be installed. Android OS support its own application format such as “.apk", whereas Tizen OS support its own application format such as “.tpk”. You cannot install .apk (Android application format) file directly in Tizen based Smartphones as both Operating System supports different file format.
If any user try to install android application (.apk) directly into Tizen OS, it will show an error pop up i.e. “This file type is not supported by any application on your device”.