If you want to transfer photos to smartphone or tablet right now is not difficult anymore. All you need this tool. The tool is named Sony WG-10 wireless card reader.
Sony WG-10 is a wireless card reader that will allow you to transfer photos or files to your phone or tablet PC. Not much different from the card reader, unless Sony WG-10 is using Wi-Fi (can the cable) and has a battery in it so it can be operated anywhere at any time (without electricity).
Sony WG-10 can support for Memory Stick, SD / SDHC / SDXC and USB 2.0 port can also be used to connect to most USB flash.
With battery capacity of 500 mAh enough to use a wireless card reader for several hours. Interestingly it can be used as a spare battery for the phone.
Reportedly Sony WG-10 will be launched on the 30th April. And until now not known how much the price of Sony's WG-10. So, you have to wait.