The author of the mod Weapon Pedestrian offers you to use pedestals for weapons and tools in Minecraft Pocket Edition. You can install any tool or weapon on such a pedestal in Minecraft Bedrock Edition:
In addition, Weapon Pedestal adds emerald gear to Minecraft for Android. It can also be installed on the pedestals of the mod, well, or it can be used in Minecraft on the phone for its intended purpose. Have a nice game!