The smartphone market is booming. According to GfK, worldwide demand for mobile end devices grew by 4% in 2017 to 1.47 bil. units. The prognosis for 2018 indicates similar growth. But demand for smartphones still varies widely from country to country and region to region. Manufacturers are therefore under pressure to strategically Position their products. Success depends upon selecting the best retail partners who can promote products using the most important sales channels.In terms of stationary retail, GfK data shows that mobile phone retailers are responsible for more than half of the turnover generated from the sale of smartphones, followed by technical superstores at 31%. Using regional data, manufacturers can more effectively plan outside sales visits and allocate marketing budgets. Insights on the available market potential offer guidance on choosing among and working with Germany's 900 technical superstores.