The free sparse rss pro if a full text rss feed parser for android with advance features such as google reader sync, instapaper support and pdf printing and much more. You should give it a try
☛In-app purchase Premium features✔

☛Features:

Android Full Text Display RSS News Reader✔
Social Sharing (Facebook, Twitter, G+ and more...)✔
Interactive widget and User-friendly UI✔
Data storage or Backup on SD-card✔
Automated feed recognition and feed sorting✔
Multi language support(en, nl, ja, es, fr, tr, de)✔
Optional local picture storage✔
Periodic automated update of all feeds with optional✔ Notifications✔
Instapaper Sync✔
Print articles to PDF with local storage✔
OPML im- and export✔
easy to use✔ Bit.ly support✔