- backup gif? couldn't splash do this already? should we require it and mention it in the lemonpi-creative.json => nopes
- how should we indicate loading propositions failed? the creative will still call getPropositions(), and get an empty array. should there be some function a creative can call to check whether fetching propositions was successful? => the user should just check the respones value from getProposition() and getPropositions().
This document specifies what a (dynamic) HTML5 creative should look like in order to be used in LemonPI.