Smart phone use can become very smart . Who any question my smart phone all answer to do . now any person ask to me how is your height ? If someone asks how the distance from the tree ? all question answer speak smart tools . This apps can helps a lot . smart tools price is $2.51 now i give you free .
This is the face of smart tools
How To install :
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1. Length & Angle:
2. Distance :
3. Light :
4. Compass :
5 Sound level meter, Vibrometer :
