Please find an article from Ranu Srivastava.
This article gives a demonstration of how you can build Workflow Approval Dashboards.
Additionally, you will learn how to create Declarative components using CRM HTML Administration responsibility.

Mission
-> End user should be able to Track who has the workflow they requested for approval & implement
this change with out changing anything on workflow itself.
->Approval Dashboard (on user home page) can be plugged-in to display any pending workflow
requested by the users & who need to approve them.
->User can also click on Approver name & send a follow-up email to the approver reminding them
of the pending approval.



Please click on this link to access this article.