Precursor Mobile, Open Hardware, RISC-V System-on-Chip (SoC) Development Kit

Does anyone have experience with https://www.crowdsupply.com/sutajio-kosagi/precursor? It’s a Mobile, Open Hardware, RISC-V System-on-Chip (SoC) Development Kit created by by Sutajio Kosagi.

https://forums.puri.sm/t/precursor-secure-fpga-mobile-device-by-bunnie/10788