* Don't pollute memory by endlessly saving results of all previous searches: redo them if necessary. * Resist screen configuration changes by implementing onRetainNonConfigurationInstance() and getLastNonConfigurationInstance(). (This is tied to the previous item: properly store searches rather than storing the adapters holding their results.) * Display information of character block and general category. * Provide a way to access (or search) a character directly by number. * Do something about Chinese ideographs. * Provide a way to repopulate database if desired. * Implement a list of "favorite" Unicode characters? * Comment the code!...