rasi_tech
(rasi tech)
#1
I Want to Encode String To Base91 Please
TimAi2
(metricrat)
#2
You can get the java source code from here:
adapt it and make an extension 
Better…
rasi_tech
(rasi tech)
#3
i don’t understand how to make extension and i don’t understand the languages
TimAi2
(metricrat)
#4
Try this, tested and working in AppInventor:
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