Bedrock users needs more gameplay features that Pc's in Java have!!

I would like more buttons and more items to be able to be put in my off-hand so like 2 place buttons 1 for my main 1 for my off hand and I would like fortune+silk touch was an option and dont forget the underwater door thing that java has pls add it it will help out my little sis alot because she likes to explore underwater and me and my friends espically when we go treasure hunting