[Q] Newbie need help topic

hi , i have nexus 4 only to day, im coming from iphone , so i need help , i know everything in this forum , but it's everything and im confused :confused:

so i need to do this :

1- erase android 4.4.2 in my nexus 4 (because it's nexus of my brother, idon't need his app game and it's full ony 1 Go free space ..... now it's my nexus)

2-flash with this rom parandroid (in forum it's the best)

3-flash kernel franco (it's the best.....)

4-root my nexus

5-install ubuntu touch

6-install firefox

so if someone can help me to do this without problem , tel me how to do this easy ,

sorry for my bad english

thank's u