It is a smart mail control app installed in an apartment or villa.It is used to open or close the registered smart mailbox.
https://andro.io/app/user-164gf
Power 100
Android app profile
똑똑스마트키 for Android – Latest Version & Features
by 주식회사 한줌
★★★★★
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> 2.2k
Monthly Downloads
~$900
Estimated Cost
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