Adobe flash on my cell Samsung S8 was working before and now not able to open on work book

[Angels67]

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[_maria_]

Flash Player hasn't been supported on Android in over 6 years.  Not sure what Flash Player you had working on Samsung S8, but it wasn't anything from Adobe.

The only option on mobile devices is to use a browser that renders Flash in the cloud.  Performing an internet search for something like 'Flash browser Android' will return some options.