Greasy Fork is available in English.
Adds links and data to Geocaching.com to make it collaborate with PGC
< Geocaching.com + Project-GCについてのフィードバック
Mobile Chrome does not support any extensions or userscripts. You may have more luck with Firefox, but for me it didn’t work very well either.
Installing script on my ipad
Are there any instructions step by step to install the script for my iphone or ipad which has Chrome web browser installed