Add libssl-dev requirement, androidID generation.

README.md

@@ -43,12 +43,17 @@ Works on GNU/Linux or Windows with `pip` and Python 2.7. First of all, ensure th
 
 - python-dev package -> `apt-get install python-dev`
 - libffi package -> `apt-get install libffi-dev`
+- libssl-dev -> `apt-get install libssl-dev` (for pypi's `cryptography` compilation)
 - python (>=2.7)
 
-Then, you need to install it with some needed libraries using either `pip install GPlayCli` or `python setup.py install`, then it will be available with `gplaycli` command. If you don't want to install it, just install requirements with `pip install -r requirements.txt`
+Then, you need to install it with some needed libraries using either `pip install gplaycli` or `python setup.py install` after cloning it, then it will be available with `gplaycli` command. If you don't want to install it, only install requirements with `pip install -r requirements.txt` and use it as it.
 
 If you want to use your own Google credentials, simply change them in the `credentials.conf` file with your own settings. 
-If you want to generate androidID, see https://github.com/nviennot/android-checkin/ or https://github.com/Akdeniz/google-play-crawler, otherwise you could either use the given one (default) or use one of your devices ID.
+
+~~If you want to generate androidID, see https://github.com/nviennot/android-checkin/ or https://github.com/Akdeniz/google-play-crawler, otherwise you could either use the given one (default) or use one of your devices ID.~~
+
+Currently looking for a solution (`googleplaydownloader` from Tuxicoman provides a working `jar`).
+
 If you plan to use it with F-Droid-server, remember that fdroidserver needs Java (more precisely the 'jar' command) to work.
 
 Uninstall