blackhat aso

I need the above tools if any of these two tools as a group buy ya a cheap price if any provider ???

Hi Guys , i have heard about inserting keywords in android manifest file to rank higher in google play store but i don't know how it is work any ideas ?

So I am just starting my App Marketing learning. Trying to gain knowledge about all white hat and black hat methods. Recently during my analysis, I came across apps with a weird code placed strategically in the app description. To give you guys example of what i am talking about, I am attaching...