Hands Holding a Phone with a Green Screen on the Train

green device screen chroma key mobile app using phone smart phone mobile phone screen partition train text messaging photo messaging projection screen 4k vehicle interior colored background backgrounds human hand information medium entertainment hand communication equipment wireless day entertainment occupation human arm banking economy entertainment event paying telephone arts poland human limb finance currency young adult adult student limb gripping adult holding indoors culture surfing the net women caucasian leisure activity white body part adults only leisure facilities arms raised young men enjoyment 30-39 years 40-49 years 20-29 years screen actors guild relaxation