The lion's share of these funds (1.8M GBP) are going to upgrade Holy Island to an "iconic destination," through improvements to the visitor center, railway station, and historic and cultural sites.
North Wales Tourism seems to be silent on how the remaining 1M GBP will be spent.
Quoting NorthWalesTourism.co.uk:
"For further information on the Tourism Investment Support Scheme please call 0845 010 8020; email tiss@wales.gsi.gov.uk..."