I only see chrome 56 in the play store, but C3 requires 57. Is it just me/my android version? Running cyanogen. Sorry if this has been brought up before, I haven't been looking through all threads in this forum.
Edit:56, not 36
Or this: should work
Seems like it would be a good idea not to require users to be on a beta/unstable release just to use C3...
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I can only guess that 37 had something they needed in order to work.