The drugs mod brings drugs to minecraft pocket edition, The mod allows you to grow weed in minecraft. To grow the weed you can download the Too Many items mod, which allows you to add the weed seeds to your game. But this works only once the mod is installed. Once you add the seeds to your inventory, simply plant the seeds as you would with any farming in minecraft. Then just wait for the weed to grow, and you can eat it. It currently doesnt give any side affects.