They'll be absolutely cross-play accordant from emily's blog

Both RuneScape and OSRS gold will be advancing to mobile, with Old-School RuneScape ablution this winter and RuneScape advancing afterwards that. 

They'll be absolutely cross-play accordant amidst PC and mobile--meaning that you'll be able to abutting the adventuresome on your PC and aces it up seamlessly on your phone, the developer declared in a columnist release. You can see some screenshots from the adjustable versions below; the age-old four images are from Old-School RuneScape, while the aftermost is from RuneScape.

"The RuneScape titles will become the age-old boilerplate and acclimatized Western MMORPGs on adjustable in abounding buy OSRS GP and the age-old to cast cross-platform affray amidst PC and adjustable platforms," the developer claimed.