The website http://stand.spree.de/wiki_details_maven_archetypes explains which archetypes could be used, to setup an android projekt.

In summery:

ANDROID-QUICKSTART-ARCHETYPE from http://stand.spree.de/wiki_details_maven_archetypes 
 mvn archetype:generate 
  -DarchetypeArtifactId=android-quickstart 
  -DarchetypeGroupId=de.akquinet.android.archetypes 
  -DarchetypeVersion=1.0.8 
  -DgroupId=your.company 
  -DartifactId=my-android-application
ANDROID-RELEASE ARCHETYPE from http://stand.spree.de/wiki_details_maven_archetypes 
 mvn archetype:generate 
  -DarchetypeArtifactId=android-release 
  -DarchetypeGroupId=de.akquinet.android.archetypes 
  -DarchetypeVersion=1.0.8 
  -DgroupId=com.foo.bar 
  -DartifactId=my-android-project 
  -Dpackage=com.foo.bar.android

Please visit the site for a proper explaination.

See also: http://code.google.com/p/maven-android-plugin/wiki/GettingStarted