Radio consumes not unsignificant battery power, especially when you’re travelling. Sometimes you dont have to be available for calls…
LongRunner turns off the radio part and keep that for defined time interval. Then it automatically sync all POP/IMAP accounts, the On interval should be long enough to even receive SMS.
AEP-Emu (DE/EN)
DMG Page (DE)
EmuBit.pl (PL)
HomebrewWelt (DE)
Indie Retro News (EN)
NintendoMax (FR)
PlayerAdvance (FR)
Retroguru (EN)