IOTA “C” version (CClient) and feasibility of signing transactions on ESP32?

An article recently has been published entitled "Running the IOTA "CClient" library on ESP32" (>>>Link to Article<<<).

It is not clear to me if by using this C version of IOTA is practicable to run PoW or signing transactions on ESP32 device?

Since in this answer (>>>Link to Answer<<<) is mentioned that:

The question is that:

  • Can this C version of IOTA make it feasible to run PoW or to sign transactions on micro-controllers?

  • in general, how can this C version improve running IOTA on micro-controllers? And what new opportunities does C version bring us?

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