Currently it is not possible to use the out of the box employee self service mobile workspace (present in Core HR of D365 Talent) on the unified operations mobile app .It would add great value for clients to be able to use employee self service on a mobile app and give them a unified experience and a single point of access for applying leaves ,updating bank details , updating address etc. when they do not have access to the web client because they might be travelling or may be sick etc.Currently employees have to use multiple apps for doing day to day stuffs on dynamics 365 suite of applications