App Name: Seesmic

Description: Seesmic for Android allows you to manage your social networks Facebook, Twitter,  Google Buzz and Salesforce Chatter. Supports multiple Twitter accounts. You can search, get  notifications of new messages, share photos, videos, and location. A widget option is also available. Has a cooresponding web app you can use. In July 2011, Seesmic hit 1 million downloads.

Cost: Free

DeveloperSeesmic

Reviews:

Seesmic (for Android) Version 1.7.2 – PCMag.com

Seesmic for Android is the Best Social Networking Client Available – Entertainmentbuddha.com

Seesmic for Android – Video Review – Androidvideoreview.net

Seesmic Honeycomb Android app: early preview and impressions [Video] -Androinica.com