Should I be mining?
Mining TUBE is only profitable on GPUs (graphics cards) depending on electricity cost. The proof-of-work is memory-intensive and cards with 4 GB VRAM or more are required for good performance. For the current mining profitability of coins, check out https://www.cryptunit.com.
It is not recommended to mine on laptops or tablet devices. Mining uses considerable power and portable devices like these are not built for 24/7 sustained workloads. They lack proper cooling and you run the risk of overheating resulting in a reduced lifespan.