d2s_wiki_main.md

-# D2Sphere WIKI 
+# D2Sphere WIKI
+
+## common Info
+D2Sphere is a Cloud based Backend System with following components:
+* D2Sphere Device Server (to connect to the devices)
+* D2Sphere Frontend (HTML5 based Frontend)
+* D2Sphere API (HTTPS REST API to connect customer system) 
+* D2Sphere Mirco Services (CAN converter,....)
+* D2Sphere App (android) only alpha preview
+
+### D2Sphere Frontend
+* based on pure HTML5
+* support for PC Browser:
+  * Firefox
+  * Chrome
+  * Safari
+* works on mobile Browsers as well but will not tested and supported yet
 
 ## D2Sphere Setup
 * https://www.d2sphere.com