Is it worth me getting a Nano?

i've got old second gen ipod touch. never use though, due size, plus i've got new android phone , that's bigger ipod (4" screen). covers me apps... app genuinely miss though, , because huge fanboy (hence name) flux capacitor app... , didn't lol. so, considering getting 16gb nano, , way can strap , wear watch, save pocket space.

or 32gb sd card , put in phone. think?

 

sd card.

 

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