just wanted the way to avoid mimic because you can't just ignore treasure chest even though you know it mimic you just step on it by accident or it get in your way and have no choice to step on it and bam you got catch lower your state i want it to at least have choice to open or not 

You need to have a 4 next to the eye icon before moving onto the tile. You can increase it by tapping/clicking the icon and spending a block of time per increase, it only lasts until you move again so be aware of that.