As part of Chrome 52 release there were some performance and security enhancements, one of them was the decision to switch over to using Elliptic Curve Cryptography for generating the self-sign certificate used in the DTLS handshake. ECDSA is mandatory in WebRTC, question is, should you be worried about patent claims in this regards.
There are more than 2 million apps users can choose from for their iOS devices out of which 23% are gaming apps. Gaming is not only the #1 segment from number of apps standpoint but also #1 in in-purchase revenue. Being the #1 segment, competition is fierce and therefore developers are looking for those cool features that will allow for increased in-app purchase and user retention.