Breeze is a awesome application developed by Greensnow that allows you to do this all in the one application:
-Install Multiple Local Debian Files.
-Delete Multiple Local Debian Files.
-Look Up A Package's Details.
-Install A pacific Package.
-Remove A pacific Package.
-Update Your Sources / Repos.
-Search For A Package.
-Upgrade All New Upgrades To Your Packages In One Button.
-View Debian And Error Logging.
-Respring Right From The App.
-Get List Of All Installed Packages
And More To Come
Please Note All Local Debian Files Should Be Placed in /var/mobile/Breeze
(For Installing Multiple Debian Files)