New and old makanicks on Java and bedrock

So we need a way to mack mob farms easier in bedrock like creeper and othe specific mobs the problem is right now you can only do mob grinders if you want creepers as were in Java thay have a specific farm for this I would sigest a small update to fix the creeper spawning macanic to work like it dose in Java to fix this for creepers i would also like to mention the fact iv been playing since reales of 2010 and would like to see iron farms on beed rock fixed as well