I did a bit of research on various apps on Apple’s App Store and found that some of the app have a Landing Page.
Landing pages are often linked to from social media, email campaigns or search engine marketing campaigns in order to enhance the effectiveness of the advertisements. The general goal of a landing page is to convert site visitors into sales or leads. If the goal is to obtain a lead, the landing page will include some method for the visitor to get into contact, usually a phone number, or an inquiry form. If a sale is required, the landing page will usually have a link for the visitor to click which will then send them to a shopping cart or checkout area.
So I searched for a web app that created Landing Pages and came over Instapage.
Here is my page for Animal Hunt: