To have a version adapted for tablette, please download TabNotebook.
It allows to directly call your contacts, take a picture from your Android smartphone to associate your contact, to enter comments. You have an advanced search of your contacts.
The database in an "owns" database. She afraid to be local (on your Android smartphone) or client/server (On a Windows PC remote). The server can be downloaded for free on the site PCSOFT:
Once the client/server is installed, create a database, for example "TelNotebook." Then, this blog post shows you how to use this database from Internet:
client-server-to-HyperFileSQL-by-Internet, 7, 232,
Finally, the PC version of this application can be downloaded for free on this page to share the same data:
So you can use your own database from your PC or Android smartphone.