[Cuis-dev] Smalltalk on Android and in the Browser

Juan Vuletich juan at cuis.st
Fri Aug 14 12:50:39 PDT 2026


Hi Agustín,

This is very impressive!

I just tried the Android VM on my Samsung phone. It works amazingly 
well. I haven't been able to run Cuis on a phone in a long time. This is 
great! Performance is impressive. I get 724 megaBytecodes/second and 40 
megasends/second. This is similar to what I get on a RasPi 3B+. Vector 
graphics plugin claims to be active, although I found no easy way to 
stress it. Is there a way to get a halo on a morph?

I also tried the SqueakJS, with the provided Cuis image. I tried it both 
on Firefox and Chrome on a Mac. It starts and the menus and tools seem 
to work, but I get a primitive failure if I try any DoIt. Is this a 
known issue? Does it work for you? If so, in which platform / os / 
browsers have you tested? As I could not evaluate or edit code, I could 
not test performance. Morphic halos work, but it seems the 
VectorGraphicsPlugin is not available, as it doesn't show the scale halo 
for SystemWindows.

Thanks!

On 2026-08-10 7:33 PM, Agustin Martinez via Cuis-dev wrote:
>
> Hi, I'd like to share two projects related to Squeak, Cuis, and Pharo.
>
> The first is a fork of the SqueakJS project, which lets you run the 
> latest versions of Pharo, Squeak, and Cuis, and includes performance 
> and UX improvements.
>
> smalltalkjsvm.com.ar <http://smalltalkjsvm.com.ar>
>
> The second is a version of OpenSmalltalk for Android where you can run 
> Squeak and Cuis. It was developed with help from FAST.org.ar 
> <http://FAST.org.ar>.
>
> https://github.com/agustincico/opensmalltalk-android 
> <https://github.com/agustincico/opensmalltalk-android>
>
> All feedback is welcome. There's always room for improvement.
>
> Best regards,
>
> Agustín
>
>
>
-- 
Juan Vuletich
www.cuis.st
github.com/jvuletich
researchgate.net/profile/Juan-Vuletich
independent.academia.edu/JuanVuletich
patents.justia.com/inventor/juan-manuel-vuletich
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