Smart Tools® is a complete package of 5 application sets. It includes 5 Pro sets for a total of 15 tools. in a word, All-in-One.
Set 1: Length, Angle, Slope, Level, Thread - Smart Ruler Pro
Set 2: Distance, Height, Width, Area - Smart Measure Pro
Set 3: Compass, Metal detector, GPS - Smart Compass Pro
Set 4: Sound level meter, Vibrometer - Sound Meter Pro
Set 5: Flashlight, Magnifier, Mirror - Smart Light Pro
For more information, see the manuals of the apps, watch YouTube video and visit the blog: http://androidboy1.blogspot.com/
Do you need to hook more tools and features? Please send an email. firstname.lastname@example.org
I hope my apps is useful to your SMART Life. Thank you.