JFrotz icon


    by: Lafayette Street Solutions, LLC 321 5.6

    5.6 Users



    JFrotz is a Java implementation of Frotz version 2.43.

    JFrotz can be used to play Z-Machine compatible interactive fiction games, e.g., the stories created by Infocom (Zork, Enchanter, etc.) and modern stories created by the Inform compiler.

    *** You will need a Story File to use JFrotz ****
    A search for interactive fiction will result in a huge list. Many story files can be found on the Interactive Fiction Archive -

    JFrotz supports Z-Machine compatible story files.

    Story files must be saved to the device's file system, e.g., the sdcard, to be used. JFrotz does not (yet) come with any installed story files.

    *** This is an initial version of the software ***
    Version 0.2.4 is an initial version of the software. It has some known issues and an unpolished user interface.

    What Works:
    JFrotz should support most of what the unix/linux version of frotz supports, e.g.:
    * 1.0 Z-machine standard compliant, with the exception of scripting.
    * Save/Restore in standard Quetzal Format. This allows games to be saved on your device and restored on a different computer, which works nicely with Dropbox.
    * Settable rows for backscroll.
    * Improved soft keyboard support, including autocomplete
    * font support for accented characters
    * Note: The "Fit Height" mode for the number of rows is optimized for use with either a hardware keyboard or the built-in ZBoard. It does not play well with the soft keyboard, which constantly changes the height available to JFrotz. For soft keyboard use, please choose a fixed number of rows, which will provide a backscroll.

    What is currently being worked on (Expect updates at a high rate):
    * Support for copy text
    * Editable Command history
    * Macro capability
    * Story Library (in addition to basic file access)
    * File playback
    * Frotz hotkey functionality
    * Scripting

    JFrotz is currently available for both Android and J2ME devices.

    JFrotz is completely free and open source (GPL v3) - - I am very open to suggestions and offers of help (

    Frotz Inform Interactive Fiction Zork Infocom Z-Machine

    Tags: jfrotz , frotz , interactive fiction , z-machine , zork , infocom zork , better terminal emulator frotz , zmachine , game wont load on jfrotz

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