Shouldn't have to be updated since the logic is set.
What is the TMA for?
The market moves in cycles/ranges and as a part of your trading you should try and figure out where in the range are you. Top of the range? Mid range? Bottom of the range? From that you'll know the potential downside/upside you have and you'll play your longs/shorts accordingly. The TMA helps with figuring out where are you in the range since its premise is that every asset moves up and down but within an avg range.
Use it with other indicators such as the RocketScalper or any other long/short indicator to get rid of noise and bad signals.
Start from higher tfs to see where the asset is headed. If you're near top tma, just start playing shorts. Do the reverse @ bottom tma. Expect bounces at mid tma.
Dont buy @ top tma and dont sell @ bottom tma.
Should I use it on all timeframes and all pairs?
Yes, add it, never remove it, use it on everything.