Hey I would like to be in the Alpha Mining, I only done a bitcointalk account for this project!
I have some Devices...

MacBook Pro
Quad-Core  i7-7th generation
Radeon Pro 560
16GB RAM

Laptop
Quad Core i5 -7th generation
8GB Ram
bad GPU

Pc
Ryzen 5 1600 6x 3.20GHz
Asus Dual-GTX1060-6G GeForce GTX 1060 6GB
16GB RAM

mobile:
Samsung Galaxy S7 Edge
Iphone X

All have Chrome, Opera, FireFox  
Can I mining with tablets too?