iViewer for Android is on par, feature-wise, with iViewer for iOS. You can get it from the Google Play Store:

iViewer 4

Below are the release notes specific to Android versions.

Date Released: February 16th, 2014

• Fixed issue where buttons would not immediately update when their title was changed using their text join
• Fixed issue with gestures not working correctly when the GUI was scaled
• Fixed issue with assets preloading: in some cases, the preloaded version was ignored and asset was being cached a second time after preload
• Fixed issue with commands whose name end with one or more spaces

Date Released: January 31st, 2014

• Fixed issues with remote debugging
• Fixed crasher issues in several areas of the software
• Fixed issues with CF.loadAsset() not behaving correctly with regards to assets caching and binary data reloads
• Fixed networking issues, including issues with iViewer Protocol
• Fixed display issue with stretchable button bitmaps when running GUI in scaled mode
• Fixed GUI reloading issues on return from settings

Date Released: September 16th, 2013

• Fixed an issue with CF.setSystemProperties() not changing the IP address of a system when instructed to
• Fixed issue with Reload GUI menu item not working if Reload GUI setting turned off
• Fixed a couple crash issues

Date Released: September 9th, 2013

• Tags support now officially in Android build
• TCP server systems now execute their startup command and/or macro at new incoming connection
• Added new communication mode (dialog mode) along with inactivity timeout and other options available in the new guiDesigner beta
• Fixed some user interface issue (text centering and wrapping, image scaling, etc)
• Fixed issue with showing / hiding status bar not working
• Fixed networking issues (reconnection after network loss / reacquire, talking to iViewer protocol)
• Fixed issue with textEncoding specification not being enforced
• Fixed various crash issues

Date Released: June 6th, 2013

• Added support for describing the joins touched by Gesture actions (mostly for modules like CrestronMobile to use)
• Fixed issues with remote debugging, JS execution, port selection for remote debugger, zip files
• Fixed an issue where feedback matching on systems with a define EOM string could process partial data and not return the full block
• Other various bug fixes

Date Released: May 27th, 2013

• First final release on iViewer for Android. Features are the same than iViewer for iOS.