Steps For publishing ANDROID App
 

Hi,i'm a beginner and i've found some free code sources for games ( Jumer ... ) and now need help about that so please help me with those questions :
1-I have 8 diffrents Game apps and i dont know if google may allow me to publish them , because i'm using some free Graphics of the Game ( but i changed them on PHOTOSHOP ).
2-I dont know hot make a video for my apps .
3-I'm just using ADmob for monitize my Apps is that enough for having some Money ?
4-What is the diffrents ways to make some Extra money ?
5-What Are the Markets of Apps so i can uploaded in all the stores ?
6-How to make my Apps succed?
7-Some Advices to not receiving Warnings From Google PLay ?

I hope that you help !Thanks !