In duplicate scoring bidding and making a game is less important. But it is still important.

Hand evaluation is always important. Here is a good video from Peter Hollands - his videos are very easy to watch.

East will open 1♥ the priority is to bid the major (with ♥ s and ♠ s he would bid 1♥  the lower of two 4 cards suits). Here is a good article from Andrew Robson.

South cannot double due to insufficient HCPs

West could jump to 4♥ s - to the level of the fit 

A cautious 3♥ is likely to be raised to 4♥