GCstar Viewer

GCstar Viewer is an Android applications to view your collections on a smart phone.


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It can be downloaded from the F-Droid site.


Copy collections

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To use it, you need to copy your collections (.gcs files) with a folder containing the pictures to the SD card of your phone. The constraint is that you should use relatives paths. It’s also possible to put everything in one single zipped file. Its name should end with ‘.gcz’.

Version 1.6.0 of GCstar contains an export plugin that will do the job for you, whatever the settings are. Here is an example of how to do that from command line.

gcstar -x -e External --exportprefs "zip=>1" -o /mnt/sdcard/collection.gcz ~/doc/collection.gcs

This will directly copy on the SD card (supposing it is mounted on /mnt/sdcard) the collection ~/doc/collection.gcs. No other operation is required than this command to be able to read the collection with GCstar Viewer.


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Here is a collection of video games.

Games list

And what you are getting when clicking on one element with different kind of collections.

A video gameA movieA disc

There is a menu displayed when pressing the Menu key on your phone while viewing a collection.


“My collections” works as in GCstar. It stores references to your favorite collections for quick access (like bookmarks).

My Collections

When you choose Open, GCstar Viewer will scan the whole SD card to find .gcs files.

File selector

The Filter feature lets you search for a given text in items list.


Source code

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The source code cab be fetched by using instruction on this page:


trunkk has to be replaced by viewer in commands.

It can also be browsed from this page:


en/gcstar_viewer.txt · Last modified: 03/04/2022 13:57 by kerenoc

Should you have a problem using GCstar, you can open a bug report or request some support on GCstar forums.