Quick guide to root Android phones

0. Google how to unlock the bootloader for the phone.
1. Download and install the universal adb drivers from https://developer.android.com/studio/releases/platform-tools.html. Alternatively, download them from https://adb.clockworkmod.com
2. To check if adb was correctly installed, follow instructions here.
2. Enable USB debugging on your phone.
3. Download the latest version of SuperSU and put it in the phone
4. Install TWRP using this guide http://androiding.how/how-to-install-twrp-recovery-via-fastboot/ or this guide http://www.howtogeek.com/240047/how-to-flash-twrp-recovery-on-your-android-phone/
5. Install SuperSU using TWRP

Android root related words

ROM: modified version of android
Flash: To install something on your device. To replace the OS that is installed on your phone.
Recovery: the software on the phone that lets you make backups, flash ROMS, and other system-level tasks.
TRWP: A custom recovery
SuperSU: A management tool app. It prevents and provides access to root facilities.

Sources: http://lifehacker.com/5789397/the-always-up-to-date-guide-to-rooting-any-android-phone
http://android.stackexchange.com/questions/6183/what-do-root-flash-and-rom-mean

opening and editing .tex files

Method 1 (long install time):
1. Download and install TeXstudio http://www.texstudio.org/
2. Download and install all of TeX Live https://www.tug.org/texlive/acquire-netinstall.html, choosing the 'simple install (big) option.
3. Open the .tex file using TeXstudio

If the above method fails, attempt method 2 (short install time):
1. Download and install TeXstudio http://www.texstudio.org/
2. Download and install TeX Live from https://www.tug.org/texlive/acquire-netinstall.html. Choose the install-tl-windows.exe file
3. Choose the 'unpack only' option and install.
4. Run install-tl-advanced.bat
5. Under basic information, click on change.
6. Select basic scheme (plain and latex) and click on OK. Under further customization, it should now show 3 collections out of 48.
7. Click on install Tex Live. This installs a basic version of TeX live.
8. To install packages you need, use TeX Live Manager
9. Open the .tex file using Texstudio

Source:
http://tex.stackexchange.com/questions/250820/installation-of-texlive-on-windows-fails