upd: readme text

README.md

@@ -3,7 +3,8 @@
 
 
 Utility for inserting **gpx** geodata into a **jpg** files.  
-Helpful when your DSLR camera **have no gps**, but your phone **have**. 
+Helpful when your DSLR camera **have no gps**, but your phone **have**   
+📱 + 📷 = 🗺
 
 
 ## How it works
@@ -12,18 +13,26 @@ Helpful when your DSLR camera **have no gps**, but your phone **have**.
 ![start_track](docs/arrow.png)
 ![start_track](docs/geojpg-how-to-2.jpg)
 
+## Built with
 
-## What you need?
+**[Python]** - Language to work quickly and integrate systems more effectively, since 1991 **|** *GPL compatible*    
+**[pyexif]** - Python wrapping for the `exiftool` library, since 2011 **|** *Apache 2*  
 
-* Python 3
-* Library **piexif** in your Python installation  
-* Your phone and camera must be **time-synchronized**
+[pyexif]: https://pypi.org/project/pyexif/
+[Python]: https://www.python.org/
 
+## What I need to run?
+
+* Make sure you have `Python 3`
+* Install library `piexif` in your Python installation, typically `pip install piexif`  
+* Your phone and camera should be **time-synchronized** for app to work out-of-box  
+If not, you can adjust time with `HOURS_UTC_OFFSET_GPX`, `HOURS_UTC_OFFSET_JPG` values
+* 
 
 ## Todo list
 
 *  Earth hemispheres detecting  
-note: now North and East are hard-coded  
+_NOTE: now North and East are hard-coded, so you can't use this app out-of-box in western/southest hemisphere... sorry, it is not discrimination. If you really want this feature in your hemisphere, just open the issue -> I add this quickly_
 *  One-digit deegree support in longtitude/lattitude  
-*  App for Windows/Mac/Linux  
+*  App for Windows/Mac/Linux **OR service?** 
 *  Parameter for copy/rewrite jpg files