Sindhi is written in two scripts. Be specific in your search:
The (Delhi) and Mumbai Sindhi Academy have released official e-versions of "Lok Ramayan" (Folk Ramayan). Ramayan In Sindhi Pdf
A great resource for the global Sindhi diaspora. They often have digitized versions of the Ramayan specifically formatted for mobile reading. Archive.org: Sindhi is written in two scripts
The single biggest challenge for seekers is the . Sindhi is one of the few languages written in two major scripts: Ramayan In Sindhi Pdf