[TeMPOraL]

I did some amount of Android and Windows development; what particular pieces of the PARC vision do you have in mind?

[pjmlp]

IDE based development, GUI designers, REPLs, graphical debuggers, edit-and-continue, component based frameworks, structured data command line (PowerShell), apis to interact with GUI apps from devenv, dynamic configuration of running apps.

All to be found on Interlisp-D, Smalltalk, Mesa XDE, Mesa/Cedar environments.