This IPEGA PG-IP115 Docking station is one of the best devices if you have either a Samsung or Apple smart devices because this multi-functional docking station supports both these manufacturer smartphones and also tablets but can also charge other Android phones that use that micro USB connector.
This is a great product for Samsung galaxy S3 owners if they want to rest their phone on any surface almost vertically and charge it or sync it at the same time.
This Samsung dock is made specially for Samsung's Galaxy line phones like Nexus, Galaxy S line and Galaxy Note line and manufacturer says it only work with genuine Samsung products. This Docking station is made by Samsung so you can expect great build quality and full compatibility with any of their phones.
This multi device docking station is basically an alarm clock and radio with a built in feature of two USB charging ports and an AUX port for audio intake. Many people find this device quite useful because it can charge two devices at once and the surface where those devices sit is quite large so it easily fits two android phones or a tablet computer.
Sinjimoru sync dock is a smartphone stand. It is made for Samsung Galaxy series android smartphones S2, S3, S4. But it can be used for basically any android device, that has a micro USB socket on center of phone on sides, or on center on top or bottom (like Google Nexus S, Nexus 4 etc)