1.빠른QR코드스캔
-play.google.com/store/apps/details?id=com.elf.android.qrcode.pro
2.소음측정기
-play.google.com/store/apps/details?id=com.elf.android.soundmeter
3.조도측정기
-play.google.com/store/apps/details?id=com.elf.android.lightmeter
4.손전등
-play.google.com/store/apps/details?id=com.elf.android.flashlight
5.금속탐기지
-play.google.com/store/apps/details?id=com.elf.android.magnetic