How to Block an Annoying App in my news feed (Cesars Slots)?

I'm friends with someone on Facebook. I stopped following them because I constantly get notifications from them saying "First 10 clickers get 1000 coins" from this stupid Cesar s Slots app she is using. Even though I stopped following her I'm still getting these stupid notifications. I do not want to unfriend her and I don't want to tell her to change her Facebook settings because it will just be annoying. How do I get these notifications to stop? I have clicked on the postings when them come up and Tried to block them but can't. I'm seeing it on my iPhone if that helps.

I think you should unfriend her and tell her why up front. Maybe she'll wise up a lose that ad.

Click on the Drop Down Arrow on the Game post there should be a Button that says Hide Posts click on that and try that and see if it does anything