Gillingham’s weekend game against Millwall was a chance to take a closer look at a young forward from West Ham United. Kamarai Simon-Swyer, 21, has spent time training with the Gills in the early days of pre-season and played the first half of Saturday’s friendly against Millwall at Priestfield. The 21-year-old trialist, who spent time on loan at Crawley Town in League 2 last season, is an option for the Gills as they look to bolster their attacking numbers. Gills boss Mark Bonner said: “He has been in for a few days with us, Kamarai. “West Ham gave him permission to be in for a couple days an…