With the More Bows Expansion mod, you will have something to shoot at MCBE from. The author of the mod has implemented a large number of bows in Minecraft on the phone, which have a number of features. They will definitely be useful to you in survival mode. Bows can also be added to MCPE through creative inventory.
All bows can be created in Minecraft for Android in survival mode. Some types of weapons have quite effective arrows – for example, those that can set fire to an enemy or a block. With such an arsenal, you will surely defeat the Ender dragon faster. Enjoy passing with this mod!