We have a set of new plugins in development for IAP & ads. It can be incredibly difficult to make fully cross-platform versions though - for example many ad networks only support 2 or 3 platforms, whereas Construct typically supports far more. This is compounded by regular changes to every platform as they change and update their SDKs. It's tough but we are working on new plugins which should be more reliable.
Thanks for responding Ashley! I understand its difficult to make fully cross platform. However, would be great if we can have common Plugins for existing major platforms on C2 (Android, iOS, Windows).
The underlying code will be independent (say pubCenter, Admob), but there can be a Parent plugin will that based on the current platform pick the right plugin and execute the feature. That way, we as developer do not have to worry to had separate versions for each platform or have a projects with 100s of IF conditions to check if I should run PLUGIN 1 or 2 or 3.
Basically suggestions was to have these broad Plugins:
1. Ads - Admob, Windows Ad SDK (and may be Adcolony, Appodeal)
2. IAP - iOS, Android, Windows (with Consumables)
3. Leaderboard - iOS, Android, Windows (may be Xbox)
4. Social Media - Facebook, Twitter and Google+
I hate to compare, but Cranberrygame has managed to combine multi platform features into single Plugins. I hope its something your team can look into