The more personal messengers there are, the more they are all garaunteed to fail and collapse. Stick with pushing Signal into tue collective public zeitgeist, and once strangers on the street ask if you are on Signa, then we can consider other options.
Focus on dethroning Whatsapp and shut up about a messenger that 50 people out of 8 billion people have heard of before.
All games should be made for PC first since all games are developed on PC. After the development is finished and stable on PC for release, then they can port it to console.