This is how the leaderboards appear on PS3/PSN.
https://scontent-b-lhr.xx.fbcdn.net...31_7960268048435549416_o.jpg?efg=eyJpIjoiYiJ9
https://scontent-b-lhr.xx.fbcdn.net...77_3195636854515506042_o.jpg?efg=eyJpIjoiYiJ9
AFAIK vikingerik uses the keyboard, so his nudging on PC is the same as Android or iOS.
I've recently had a discussion with VikingErik who confirmed the idea that on PC there are "soft nudges" possible
That's hard to say because it's unclear a. if all scores over all platforms are posted to the same leaderboards. Some have said that mobile has it's own leaderboards but I can clearly see PC scores there also (I know this because I know VikingErik plays only on PC).