Give Sparse RSS Pro Reader a try, every app is free to try on Android, now see for yourself what this App can do.
P.S. please to first remove the Sparsee RSS Free application.
This application fetches more than 14 articles while the free version only fetch 7 for each feed update
Android Full Text Display RSS News Reader:
FeedsAPI RSS Reader is a Full text RSS reader that makes it incredibly easy to read full text content from any news source on the go and save the stories in pdf Format with one click or store them on an instapaper account in the cloud, you can sync all your google reader feeds with FeedsAPI with one click and import as well as export OPML files in…