Protractor
EXA Tools
量角器:Smart Protractor
Smart Tools co.
水準尺, 電子水準, 鉛錘
NixGame
keuwlsoft
MessFlex - Protractor
JRSoftWorX
智能量角器工具 - 角度計和氣泡水平儀
ITLabs Pro
量角器+氣泡水平儀
Android Pandaz
Angle Meter
Smart Tool Factory
Inclinometer & Bubble Level
Eze Share File Transfer