First thing you want to remember is that, you will have to read the Terms and conditions of Google adsense and will have to obey that. if you fails and google found that, your Google adsense account will be closed. Read the Terms and conditions here.
There are few things you want to consider.
1. Dont ask others to click on the advertisements.
2. Display the allowed numbers of google advertisments on a page.
3. You can invite others to click on referrals since you will get paid only when they register or download it.
So Remember OBEY THE RULES.