how to connect gamepad to android

{"cid":"91147894","title":"Smart Phone \/ Iphone 10 Button Bluetooth Android Gamepad , USB Game Controller","imgUrl":"https:\/\/img.chinax.com\/nimg\/bc\/b5\/19af18bc381a26b776327c00f0a5-200x200-1.jpg","attrs":{"Price":"negotiation","Brand Name":"Gamemon","Model Number":"FTQ5A3","Minimum Order Quantity":"1000pcs","Delivery Time":"40 days after received your deposit","Certification":"CE\/ROHS\/FCC\/SGS (product price is different than normal)","Place of Origin":"China","Payment Terms":"30% deposit, 70% balance before shipment","Supply Ability":"30,000pcs per month","Packaging Details":"Packed in gift box(or blister) firstly, then pack in carton, 20PCS in one outer carton","usage":"Android system","materials":"Brand new rohs ABS","Connection":"Wired USB cable","motor":"brand new motor","color":"can be custom","cable":"1.8M"}}